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SPYDERCO LIL’ TEMPERANCE™ 3 LIGHTWEIGHT K390 -C69PBL3K390 -Part 3 – Use Shorty !

It has been established on the two previous chapters:
SPYDERCO LIL’ TEMPERANCE™ 3 LIGHTWEIGHT K390 -C69PBL3K390- Get Shorty ! – Part 1
and
SPYDERCO LIL’ TEMPERANCE™ 3 LIGHTWEIGHT K390 -C69PBL3K390 -Part 2 – Draw Shorty !

that the Lil’ Temp is very much a hidden gem, refined over two decades by Sal Glesser. In essence, it’s his answer to the compact, heavy-duty 3-inch folder — a kind of “Techno Glesser” that still offers a full, hand-filling grip. Its tall blade profile allows for a finely tuned convex geometry, translating into cutting performance that feels far beyond its size.

K390 is, in my book, a friendly steel. By that I mean it sharpens up to a razor edge without too much effort. It isn’t quite as easy to work with as CPM Magnacut, but it’s far more forgiving than something like CPM 15V. The trade-off is that K390 will stain readily, so regular wiping is part of the routine.

The trade-off is that K390 stains readily, so a quick wipe-down is essential to keep it looking and performing at its best.

The fact that K390 isn’t stainless is not really an issue if you keep the blade clean and check it regularly for any sign of rust. In practice, a bit of grease or oil is enough to protect it, and over time the steel develops a natural patina that gives the knife real character. My own Lil’ Temp is already showing that patina, and it only adds to its appeal.

Geometry is absolutely critical when working with wood. No matter how tough the steel, without the right blade geometry the knife simply won’t bite or carve efficiently.

A full flat-ground high blade simply can’t compete when working on hard wood. That’s why Sal Glesser’s “Lambo of bushcraft knives,” the Proficient, stands out: it combines a high full-flat ground blade made from a high-carbide super steel (S90V) with an exceptionally comfortable handle. The result is a knife that slices, carves, and handles demanding tasks with ease — the kind of tool that performs all day without fatigue.

The relatively thick handle of the Lil’ Temp makes it extremely comfortable to hold and use. Its design also provides excellent indexation, making it easy to know exactly where the edge is — even easier than on an Opinel or the round handle of the Proficient.

In the woods, the Lil’ Temp is easy to deploy and put into action. Its point is robust enough to withstand some abuse. While K390 isn’t the toughest steel available, it’s still harder and more wear-resistant than many stainless alloys, making it highly capable in practical use.

The thick spine of the Lil’ Temp provides an easy resting spot for the thumb, especially on push cuts. This gives excellent control and allows you to apply strength precisely where it’s needed.

The grain structure of K390 responds exceptionally well when working on wood. After some careful convexing on diamond stones, the edge has developed a shape that balances sharpness and durability perfectly for carving and utility tasks.

I was able to carve pickets without breaking a sweat. The knife’s gentle belly plays a key role, working like a guillotine on the wood fibers and making controlled cuts effortless.

The true kings of woodworking and whittling remain the Wolfspyder and the Boker Vigtig vs Wild. Their authentic Scandi grinds allow them to bite into wood with astonishing ease, making controlled carving and fine whittling effortless.

In that context, one of my favorite full-flat-ground folders for whittling is the Native 5 Salt, once convexed. It’s an absolute pleasure to use on wood, combining smooth slicing with precise control.

A folder’s handle will always be less comfortable than that of a good fixed blade, simply because of the compromise required to fold the blade into it.

That said, the Lil’ Temp is among the very best in this regard. Other outstanding handles include the Manly Comrade, the Benchmade Adamas, the Cold Steel Recon 1, and the Wolfspyder — the latter benefiting from Ray Mears’ design philosophy, focused on knives you can use all day long without developing hot spots or splinters.

(Comrade, Recon 1 on the LT’s left and Wolfspyder on its right)

(Adamas and Lil’ Temp)

Another example of relatively demanding use is making this risotto using
an old chunk of dry Parmigiano which needs to have its rind removed, then cut into half-inch cubes — no easy task given how hard the cheese can be.

It’s also a great way to detect hot spots: the weakest point, if any, in the compression lock. That notch on the back of the handle all but guarantees a sore hand after extended use.

Apart from a single trip into the woods, I’ve mostly used the Lil’ Temp in the kitchen, where it’s been steadily building a nice patina. I’ve also taken the opportunity to test its ergonomics with wet hands. The FRN handle pattern is one of Sal Glesser’s great innovations: it gives the knife a no-nonsense, tool-like appearance while ensuring the handle stays locked in place once gripped.

Conclusion

The Lil’ Temperance 3 K390 Lightweight (“Shorty”) stands out as a compact powerhouse in Spyderco’s lineup. With its super-steel blade and excellent geometry, it elevates everyday carry versatility, combining cutting performance, ergonomics, and durability in a smaller format.

Its lightweight build and aggressive handle design make it a tool you can truly rely on. Whether in the kitchen, at the workbench, or outdoors, the Lil’ Temp proves itself capable of handling demanding tasks without compromise. The FRN handle texture, designed by Sal Glesser, not only lends a purposeful, tool-like look but also ensures a secure grip, even with wet hands.

From reviews across the community, a consistent picture emerges:

  1. Exceptional cutting performance — even in tasks where utility blades struggle
  2. Superior carving and utility — excels at both fine control and hard work
  3. Secure lockup — the compression lock feels noticeably beefier than on similar models
  4. Excellent ergonomics — comfortable for long use, even damp conditions
  5. Edge retention — the K390 steel holds its sharpness impressively well
  6. Durability — little to no wear after months of use
  7. Practical carry — light, compact, and easy to deploy one-handed
  8. Minimal maintenance — just regular wiping and light oiling keeps it in peak condition

As one reviewer put it, this “box-destroying little chode of a knife” punches well above its size. Another called it “a tank… carefree, strong AF, and super comfortable.” After extended use — from food prep to cardboard — users report only minor stropping needed, with many calling it one of their favorite Spydercos in decades.

In short, the Lil’ Temperance 3 K390 Lightweight is a sleeper hit: not the most popular Spyderco, but for those who carry it, often a personal favorite. A compact EDC with the heart of a work horse.


GETTING A CONVEX EDGE WITH THE CPM-15V BLADE OF THE HOULAHOULA PARA3 LIGHTWEIGHT PART 2.

Since the first try of convexing the Para 3, it is time now to reach the same level of de-shouldering as on my Sage 5 Salt.

My goal here isn’t to touch the edge itself, but to smooth the border between the flat of the blade and the edge angle. This allows me to maintain the edge primarily on leather while reducing drag when cutting hard materials like plastic or wood.

The equipment I used was again the Spyderco Double Stuff 2, focusing mainly on the diamond side. I experimented with gentle, round strokes on the flat diamond stone instead of always moving in the same direction — it seems to remove metal much faster.

For aesthetics, I plan to follow up with white ceramic or jade stones to approach a mirror finish, similar to the Sage 5. Magnacut responds beautifully to polishing, whereas CPM-15V doesn’t particularly care.

The use of gaffer helps preventing any deep scratches on the blade finish.
It works great. The black dust is metal removed by the diamonds.
I do that outside in the wind. I don’t want to breath that dust.

Eventually this second round has gone so smoothly (compared to the first one linked at the start of this review) that i was on the verge to work on the Military 2.

Remember Sal saying:
The Edge is a Ghost. Always changing. Dying (dulling) being reborn (sharpened) split personality (angles and geometry changing). Think of the edge as gas in a vehicle. It runs out of gas and you put in more gas. We provide the format, materials, design for use, variety to avoid boredom and create interest, but the edge is your creation. The result of your understanding, education, experience and practice.

The comparison between the Sage 5 Salt and the Para 3 continues. In short: the Sage 5 has superior geometry thanks to its high 3 mm FFG blade, while the Para 3 features a sturdier blade, a thinner point, and is overall lighter (no steel liners).

It’s really your choice — both are highly capable and complement each other, coming from the same design mind. Shawn Houston even notes that the Para 3 carries “that Delica vibe.”

I’m impressed by the Sage 5’s exceptionally smooth action — one of the best among Spyderco’s compression lock knives. I love both knives. These days, the Sage Salt rides with me, but while both won’t let you down, the smooth Sage is more fidget-friendly. Both are great, but the Sage 5 is simply less popular… 😉

Spyderco Tenacious C122GBNM4PS – CPM-M4 with Serrations – Pure Workhorse

I’ve been tenacious — truly tenacious — in resisting the C122 Tenacious, even though I’d had my eye on that folder since 2008. After 17 years of flirtation, I finally ordered one. Why the delay? Its main weakness was always the less-than-stellar steel compared to the high-end knives I already owned.

Now, the CPM-M4 version is here to quench that long-standing thirst.

I don’t have much memory of a CPM-M4 serrated edge, except with another Eric Glesser design: the Dodo Exclusivefrom Blade HQ (C80GM4S). The Dodo was a real wood slasher — its S-shaped blade trimmed vines deeper and faster than almost any other, and the comfortable handle was perfect for power cuts.

Opportunities to play with a serrated CPM-M4 edge have been rare — until now. Here it is.

Back in 2008, when the Tenacious have been released it was a success.

Eric Glesser’s design was appealing to many for a simple reason: it was a well-thought-out, tough workhorse knifeavailable for around €30 (or less). A true blue-collar tool — built to be used and abused, like a modern-day Buck 110 for the pocket.


The best thing about the Tenacious was that it offered a thick, sturdy, well-built liner lock at a time when liner locks were falling out of fashion. Easy to display, easy to use, this no-choil, long-edge, compact working folder from Eric Glesser was a hit — and one of the best ways to catch the Spydervirus.


Now there is a FRN version in CPM S35VN. But it is as heavy as the G10 version and I’m not really a fan of FRN… Even if I absolutely love the FRN scales of my Serrated Chaparral.

I remember Bushcrafters being the first to sing the praises of the Tenacious. An example:

I’ve thrown it, dropped it, batoned wood as thick as my wrist, chipped the edge multiple times (didn’t think 8cr13mov could chip, thought it was too soft but was wrong), I’ve left in outside ONCE in the rain overnight because I forgot I placed it on my front porch the previous day, I have spine whacked it (just don’t, I most likely have an impulse problem… lol … same problem that causes me to buy a lot of knives) I’ve dug holes, stabbed the ground to cut weed roots out, and much much more...

I think by now you get the point. I treated the tenacious as if I got it for free and had 1000 more to replace it if something happened. I treated this knife as if I hated it.

The result? 4 years later, the Tenacious opens smoother than it ever has, not a speck of rust since I purchased it, I have oiled the blade a couple times but I can guarantee it was less than 20 times total in the last 4 years, lockup is a bit less solid, BARELY any blade play from side to side, even less blade play from front to back, g10 scales look smoothed over and scarred, but to be honest there is still plenty of traction.
All in all, this knife is much more than what most of you need from a folder.”

My Persistence experience was excellent as described in my 2012 review (green words lead to link) but eventually I was disappointed with their steel. 8Cr13MoV can get sharp but lose sharpness much too fast for my uses. It was frustratring. I still got 8Cr13MoV knives like the Clipitool which is a great oyster knife. 8Cr13MoV is tough for a stainless steel, no surprise it was chosen for the Tenacious line.

The Tenacious is a sturdy well made liner lock folder with a super tool steel blade.

“This remarkable expression of the Tenacious® elevates this best-selling design to all-new heights with a blade crafted from American-made CPM M4 tool steel. Produced by the particle metallurgy process, CPM M4’s sophisticated alloy composition, high vanadium content, and extremely fine grain structure give it exceptional wear resistance and toughness-properties that translate to outstanding edge retention and impact resistance in knife blades. This knife’s full-flat-ground blade is available in both PlainEdge™ and CombinationEdge™ formats and is housed in a handle featuring brown peel-ply-textured G-10 scales.

I have written many reviews about that fabulous alloy CPM-M4 it has never disappointed me and since I have sold my CPM-M4 Military and kept my Yojimbo 2 and Mantra 2 (reviewed and sharpened by JD) and use them hard, I know it is reliable and get a nice patina.

A lil’oil will prevent rust. CPM M4 is not 52100 and the patina will come slowly after cutting some lemons…
CPM M4 has good edge holding, sharpening ease, toughness, strength, and is not a rust monster…” to quote Rangodash.

Now a blade is 1/3 steel, 1/3 Heat Treatment and 1/3 geometry.

The Coke butt bottle pushing cutting test has been done with the factory edge right out of the box. It is thin behind the edge.  It’s a good blade thickness for more nuanced jobs, but there is added strength from the thicker spine. 

The knife sliced right in the middle were the materiel is thicker.
This is just outstanding !

There are a great geometry and a thin edge on that tough CPM-M4 blade. The result is a sturdy matter separator.

It is not an exploit to cut into some tin can but the same “shallow”, “non snaggy” kind of serrations as the Chaparral made it easy.

Again, this is a “performance oriented” knife. The blade is not too thick like some “tactical” toys. It is made to perform not to show off.

“For notching, serrated edges work great. Feathersticking, maybe, maybe not. Serrated edges are ground on the show side, so they actually work better when used left-handed for cuts like that. I carry a serrated K390 Police4 all the time for rough work. It goes through little volunteer elm trees like a chainsaw. A SharpMaker makes it a breeze to maintain the edge.” to quote Yablanowitz.

The liner lock is thick in the same spirit of Gayle Bradley’s folders.
The knife opens with a loud KLAK! — no blade play in any direction. The detent is strong but slightly “elastic,” meaning the blade moves a little before the release/tipping point engages. This makes it very secure, with no risk of accidental opening. I’ve noticed the same elasticity on the titanium version of the Tenacious. It’s important to note: this is not a weak detent — the blade won’t open without a deliberate, serious force.

Using the knife in Spyderdrop mode, a flick of the wrist catches the blade in the Spyderhole with no issue. Closing remains perfectly secure. There’s a tiny squeak out of the box, but a few drops of nano oil should mute it. The action isn’t buttery smooth like a compression lock on ball bearings, but after a bit of breaking-in and running-in, it will be wonderful.

The solid clip is delivered mounted in Tip Down carry, which suits well this knife for the Spyderco Drop featured on the Military 1 which got the same kind of “around the pivot” clip.

I have no intention of using tip-up carry or a deep-carry clip. This knife is a tool, meant for easy access rather than a stealthy edge. The Tenacious is always noticeable in the pocket, but that sturdy clip guarantees quick availability — reminding me of Massad Ayoob’s teachings.

Spyderdropping is an extremely fast way to get the blade into action — faster than many switchblades. Sal Glesser was already demonstrating this skill almost 30 years ago: grab the knife by the Spyderhole and SCHLAK! — it’s open and ready to cut.

The Tenacious features full steel liners, unlike the nested liners on the Military line. There are no backspacers, making it easy to clean under running water. At 120 grams, it’s not a lightweight folder — I appreciate a bit of heft on a working tool. (For reference, the new titanium version is 93 grams.)

Notice how perfectly centered the blade is right out of the box. The quality control on this “made in China” folder is impressively high.

(Sal’s Titanium Catbird (only 200 were made) next to Eric’s Tenacious.)

Eric and Sal have taken their time with the Byrd Line and their budget line to get the best from a family of makers in China. The Glessers have moved slowly but steadily, developing a trustworthy and excellent relationship with the knifemakers there.


To quote JustinRose40 on the forums in 2011:
“Yes, every time I show someone my Tenacious I have to say “well it’s made in China but it’s not a China Knife, it’s still a Spyderco”. To which they usually say something like, “yeah I could tell that as soon as you handed to me”.

Since 2011, China has made huge leaps in knife manufacturing quality, and this steady improvement is clearly noticeable in the “new” rendition of the venerable Tenacious.

On Eric’s designs, there’s sometimes no choil, but you can notice a clever feature: a “proto-flipper” that acts as a quillon or guard to protect your fingers in case the lock ever failed.

Since 2008, I haven’t heard of any critical lock failures on the Tenacious or the larger Resilience. The Tenacious has earned its legendary status for a reason.

Another Eric design with an excellent blade-to-handle ratio is the Mantra 2, which uses a flipper. (I’m not a fan of that little opening hole — dirt always collects there!) Still, it’s a great design. The Mantra 1, with an opening hole, feels like the Taichung-made “uncle” of the M4 Tenacious.

The peel-ply-textured G10 scales don’t need sanding; they’re well balanced and won’t shred pockets. The brown color makes it feel less threatening, in my book.

Let’s put it to use while the satin blade is still silver.

The knife bites into wood like no tomorrow. The serrated CPM-M4 edge is a joy to use — it goes deep and steady, putting a smile on my face every time.

Blast from the past: the last combo-edge/semi-serrated knife I used was over 20 years ago — a Pre-Production D2 AFCK. As you can see, it’s been heavily used, and its geometry, steel, and blade-to-handle ratio aren’t nearly as refined as the Tenacious.

That macro shot shows the very smooth way to go from chisel ground serrations to plain edge.

“Serrated edges aren’t for everyone, and you may not like them, but you’ve got to get at least one just to try! Keep it around for nasty work, wet abrasive rope, zip-ties, yardwork, or playtime like in the pool, or at the lake or beach. Not to mention fishing duties.” to quote Benben.

The difference in cutting efficiency between a saber grind and a full flat grind is obvious. I don’t need to tiptoe around it — the advantage is clear.

Now let’s compare the Tenacious with various folders and fixed blades.

The Tenacious got a better blade/handle ratio than the Paramilitary 2 and a longer blade for a shorter handle. This is one key of the success of that design.

Almost the same length as the Chief.

No choil on the Wolfspyder too.

Since I play with Bushcraft here a nice combo to go in the wood. The Proficient is a masterpiece.

And with the ultra solide Boker in Magnacut. The 8,6 centimeter long blade of the Tenacious is generous edge wise.

Of course, I’ll strop that partially serrated blade on leather — no fear at all. I have my method for serrations, using the corner of the leather pad.

Maintaining the combo edge won’t be an issue; I’ll keep it sharp with cornered ceramic and jade stones.

So what do you get for €139 — the price I paid at the Coutellerie Champenoise? I’m really happy with my purchase. I plan to use the Tenacious a lot and on anything, simply for the pleasure of testing it on various materials. This knife isn’t afraid of plastic, wood, food, bones, cardboard, or aluminum.

This CPM-M4 version is set to show the full potential of one of the beefier EDC knives, especially with its serrated half-edge carved from super tool steel. Over 17 years, the Tenacious has proven it can withstand a lot of abuse.

  The CPM-M4 Tenacious is not only a workhorse but a warhorse, like the pictured Adamas. I can easily imagine any soldier being glad to have such a reliable knife at this budget.

It’s slightly larger than small pocket knives, but smaller than the oversized ones some carry just to show off. The Tenacious would make an excellent day-hiking knife — a folder ready for the great outdoors. I’d take it on a trip to Africa or on a photo safari in the natural parks of Tuscany.

(this will often dull the blade’s edge with a little shining spot. Not here… Thanks to the serrations again ! )

This CPM-M4 Tenacious is sold at roughly double the price of the standard version, but in my opinion, it’s a rare chance to have this alloy on that knife. CPM-M4 pushes the boundaries of reliability and is a real pleasure to keep razor-sharp.

CPM-M4 will not chip and stays sharp for long. It’s a steel that has been used in cutting competitions. While Tuff Glideand various oils can keep it spotless, I prefer the protection of a gentle natural patina.

For twice the price of the vanilla Tenacious, this upgraded version delivers another level of performance in terms of toughness and edge retention.

“Old school cool with the Walker lock and satin finish. Well done Eric Glesser!” to quote Clay H on the Forums.
My brown Tenacious looks gorgeous in its “beautility”, practically begging to be used across all terrains — sand, rain, or more. All in all, this beater is a beefed-up workhorse, built to be used hard and carried proudly.



Spyderco -C94GCBL- UK PENKNIFE™ COBALT BLUE G-10 CPM® SPY27® – The Blue Djinn Who Loved Leather.

This is not the first UKPK I have reviewed in this blog. I was a very early adopter of this Sal Glesser’s approach of the modern slipjoint all made in Golden Colorado.
Some of my favorite are the Salt Versions in FRN: the Green LC200N and the Yellow CPM Magnacut. I even think, the serrated version of the Magnacut version could be an amazing legal travelling knife.

But they are FRN versions. I like FRN but I do love G10. Better, I’m a sucker for sanded G-10. Hence my love for the Heinnie Urban and its non-slip peel-ply texture.
At first glance the satin-finished CPM SPY27 blade and signature cobalt blue peel-plytextured G-10 handle scales are juste gorgeous. Here are the full specs on Spyderco’s pages.

Like the Heinnie the skip joint got a strong mechanism. It is really a pleasure to feel this resistance which was totally absent from the very first drop point UKPK a decade ago. (Picture from Mr Blonde, Spydercollector site)

So far, I cannot imagine my self opening it with a flick like I was able to do on the LC200N FRN version. The Spring here on this G10 version is much stronger.

Let’s do some size comparaison. The UKPK is one of the long Slipit in Spyderco’s collection. It is almost a slipjoint Caly, even longer than a Chaparral. So you really don’t feel “underknifed” when you carry it in your pocket as your only EDC. It is also really handy and practical as a kitchen knife. The best thing is that this design keeps its blade length legal in most countries.

For cooking I often use a Native Chief.

The long leaf shaped blade is a must in the kitchen almost idea. It is pointy enough and its is enough for vegetables. Most of the works done in the kitchen like peeling potatoes, cutting oinions, you name it, was always done with a short full flat ground knife like a “Nogent Couteau d’Office”.

Something about the G-10 version is the spring/back spacer closing the handle of the knife when the FRN got an open handle easier to rinse.
But it is much more gorgeous and with a stronger spring for sure !

It also gives a little more heft to the knife. 48 grams for the FRN and 63 grams for the G10 version -> 31,25% heavier to be precise, almost a third ! But I do really love my heavy butt knives since my Schrade Sharpfinger.

Now this is my first CPM-SPY27 knife. Spy27 is a alloy recipe created in house with Crucible exclusively for Spyderco. It is a CPM ! So this is a premium super steel compared to VG10 or N690… In short it is a American Powder Metallurgy version of the Japanese VG10.

In Sal Glesser words:
“We offer many steels for several reasons;
1) We are Steel Junky’s (even Edge Junky’s) and we like to experience the different flavors and we try to do that.
2) We believe that many of our customers are also Steel Junky’s (even Edge Junky’s) and they too get to experience and play with and “taste” as you say, the many options.

I wanted a USA made “tweaked” version of Gingami 1 by Hitachi and after some effort with Carpenter, we have a powdered USA made steel called CTS-BD1N Which is a refinement of Gingami 1. I wanted a USA made “tweaked” version of Takefu’s VG-10 and now we have a powdered “tweaked” SPY27.

Carbone1.25%
Chrome14%
Molybdène2%
Vanadium2%
Niobium1%
Azote0.1%
Cobalt1.5%
Manganèse0.5%
Silicium0.5%



There is a very nice analysis in Knifesteelnerd and discussion here: https://forum.spyderco.com/viewtopic.php?t=94182

However, it should be noted that the SPY 27 Larrin used for testing was not heat treated by Spyderco. Some minor differences between Larrin’s heat treatment and Spyderco’s heat treatment can probably be expected. That being said, Larrin is the best source of consistent, objective data and metallurgical interpretation for steel comparisons.” To quote Karl_H in
https://forum.spyderco.com/viewtopic.php?t=87383

“SPY-27 will hold the fine edge longer… Its all about the stability of the fine edge, not the total wear resistance until fully dull. In this regard, SPY-27 can do what other stainless steels cant.” to quote Submicron in the same thread.

I am aware that Cobalt’s dust can be an health issue. Of course Rex 45 and Maxamet (10% of cobalt, 1,5% for SPY27) are the heavy weight steel in their tool steel category but the Spy27 (like VG-10), like all cobalt alloys needs to be carefully cleaned after a sharpening process.
(Cobalt may cause an asthma-like allergy. Future exposure can cause asthma attacks with shortness of breath, wheezing, cough, and/or chest tightness. * Cobalt may affect the heart, thyroid, liver and kidneys. * Repeated exposure to Cobalt dust can cause scarring of the lungs (fibrosis) even if no symptoms are noticed. According to https://nj.gov/health/eoh/rtkweb/documents/fs/0520.pdf)


Let say SPY-27 is in the same club as the S35VN steels in terms of performance and it especially loves fine ceramic and leather stropping. It gets easily a very crispy edge like VG10 or BD1N . ( Steel which are “leather super friendly” are also LC200N, 52100, VG10, AEB-L… )
This is a must and a real pleasure for me as I keep my knives sharp mostly with leather. A touch up and it makes flying hairs from my arm again.
And it seems true so far. I have not deshouldered the edge yet and intend to use it with the factory edge for some times but leather made it hair popping sharp. (Once deshouldered it is a straight razor with excellent edge retention… much better than S30V).
To quote Sal:
“SPY27 for some reason, seems to be punching above its weight.”

No crossroads, this Blue Djinn loves leather like the Bill Moran FB01 in VG10 loved it.

No need to use diamonds unless you want to reprofile the blade or round the shoulder then don’t forget to rinse the blade and to clean any dust.
But talking about dangerous dust, I have sanded the scales to preserve my pockets. Never breath that dust !!! Do it under water or wear a mask.
I got a neighbor who has been working around that kind of heavy dust and now he is breathing with two tubes in his nostrils. So be careful with your health.
This Blue G10 got a very nice texture under the thumb like some denim, textil like. It is really pleasant, almost like some Micarta found on the QSP Penguin.

So when you sand G10, just go outside in the wind or work under water. You don’t want to breath G10 dust made of fiberglass and epoxy.
Just rinse it under the tap to have it back to normal.
Once tuned at your hand, G10 is a very very nice material.

As you can notice the scales are even thicket than the blade and the blade is perfectly centered.

There is the famous middle/half stop when closing or opening the knife. It works like a safety measure. This knife is harder to close than to open.

The UKPK is a very ergonomic knife. It feels like it melt in the hand. It is so confortable for heavy cuts. Because this blade can work hard with zero play.

The “pistol grip” is common in many Sal Glesser design like the Endura or the Military. It is much more pronounced on the Massad Ayoob.

No hotspots for me a very safe handle, really, this lil slipjoint is screaming to be used hard.

It is even confortable edge up.

With the Roadie XL. Another great Slipit with a very low profile, almost like a pen in your shirt pocket.

And the mighty Chaparral serrated. Two of Sal’s best designs. Two wolves in sheep disguise thanks to their thin solid blades.

I have decided to de-shoulder the edge for a gentle convex result in the middle of the belly.

My old leather with some polish compound is ready again to smooth the edge to razor level.

Because I want a better touch on the leather, I usually keep the normal edge at the point to keep material there and near the ricasso as I use this portion for special shores like removing the aluminium cap on bottles.

The Coke Bottle Butt test is passed with flying colors. As you can notice the plastic is 3mm thick. Not a single scratch on the blade.

So what do we got so far ?
A master piece of knife design by monsieur Sal Glesser with a strong construction and state of the art in-house alloy serving a thin blade and an ergonomic handle.
My advice: try to grab one before they disappear, it seems that G10 version is not here to last and it is really a sapphire: a true blue jewel !

Spyderco Proficient FB36CFP — The Nasa Lamborghini Bushcrafter – Part 1

Article written by Nemo Sandman – Edited the 5th of November 2025.
All rights (pictures and text) reserved.

Have you ever wondered why so many Spyderco Sprint Runs seem to appear out of nowhere, featuring gorgeous carbon fiber handles and impressive CPM S90V blades?

It’s simple — Sal Glesser loves both materials.

For him, carbon fiber reflects his lifelong passion for motorsports, while S90V stands out as a stainless steel in a league of its own, combining high performance and outstanding reliability.

So, long story short:
Full Flat Grind + Carbon Fiber + S90V = Sal Glesser’s favorite combo!

And to quote my friend Spydercollector:

“When the Bushcraft fixed blade was first announced, Sal also planned to do a so-called NASA version; a version of the Bushcraft knife with all high-tech materials. I believe NASA is a protected name, but Endeavour still evokes the high-tech approach most people associate with the famous space agency. The Endeavour features a full flat grind S90V blade and full sculpted carbon fiber handles. It was a beautiful knife with a grip that had me looking around for stuff to cut.”

https://spydercollector.wordpress.com/tag/chris-claycomb-endeavour-prototype/

Here is the Proficient: it is designed by wilderness expert Chris Claycomb of Bushcraft UK, the Proficient functions perfectly with traditional bushcraft skills and cutting methods. Carefully contoured and polished to eliminate hot spots and ensure maximum comfort during prolonged use.

https://www.spyderco.com/catalog/details/FB36CF/Proficient-trade-/943

Bushcraft knives are defined by specific parameters — typically featuring blades between 4 and 6 inches. Spyderco’s Bushcraft model fits perfectly within that tradition: a 4-inch, full-tang blade with no handguard, purpose-built for control and versatility.

In true Bushcraft spirit, users generally favor high-carbon tool steels over stainless options, prioritizing edge retention and cutting performance rather than corrosion resistance. The O-1 tool steel used here, with its high carbon content, delivers excellent long-term sharpness while remaining easy to resharpen in the field.

Carried on the belt or strap in a leather sheath, this knife is blueprinted for wilderness chores — slicing, chopping, whittling, and processing game — all in the traditional Bushcraft style.

To quote Spyderco:
The Spyderco Proficient takes the concept of the traditional “do-all” bushcraft knife and elevates it to new levels of performance with state-of-the-art materials and manufacturing methods. Designed by wilderness expert Chris Claycomb of Bushcraft UK, the Proficient functions perfectly with traditional bushcraft skills and cutting methods while offering superior durability, edge retention, cutting performance, and corrosion resistance
Instead of traditional carbon steel and an axe-like “Scandi” (Scandinavian) grind, the Proficient’s blade is crafted from vanadium-rich CPM®S90V particle-metallurgy stainless steel and boasts a full-flat grind for low-friction cutting performance.

This concept of a stainless blade paired with a black polished handle has, ten years later, been fully embraced — a perfect example being the Casström No.10 Swedish Forest Knife in Black Micarta with a 14C28N flat grind.

I first discovered CPM S90V back when it was still known as CPM 420V, thanks to Darrel Ralph (RIP) and his beautiful Apogee folder. The blade was astonishingly wear-resistant — so much so that, without diamond abrasives, only a backstand could bring it from dull to sharp. It was a bear to sharpen then… and still is today.

The difference is, as end-line users, we now have easy access to industrial diamond tools, making steels like S90V finally practical to maintain at their full potential.


I have written a lot about S90V. This alloy has proven it can be tough enough as a stainless steel to be used in any all terrain tools; especially since it is available on Manly folders which got the reputation of using a very fine thin geometry on their blades.
Modern Bushcrafters (like the Benchmade Puukko) are focused on toughness with the use of the very tough CPM 3V.

What does CPM S90V bring to the table?

It’s incredibly wear-resistant.
This steel is notoriously hard to dull, even when cutting abrasive materials like brown cardboard loaded with silica. It keeps its edge far longer than most steels, making it ideal for demanding, real-world use.
Also the full flat grind is a must in a matter separator specialized in wood works. As much as I love Scandi Grind found on Woodlore clones (first designed by Ray Mears).
I have found that especially in the wonderful Spyderco Sprig full flat ground knives can be really efficient on hard wood.
(BTW when the writing appears in green: it is a link !! and I have tested them here.)

It’s stainless!
Even if you (like me) enjoy the patina that forms on a great carbon steel blade, there’s real peace of mind in using a reliable stainless steel — especially when working near water, in the rain, or by the sea.

The Sprig was an impressive tool in terms of pure geometry. Designed as a hunting and fishing knife, it was a real wood eater — a beaver of a blade, cutting deep and effortlessly.

Guess what? The Proficient shares the same profile, especially after a bit of convexing — which I’ll be covering soon in a second article.

So far, that contoured handle is an absolute delight to use, and I’ll be putting it to the test in the upcoming piece. While the old O1 Bushcrafter had enough heft for light chopping, the Proficient excels at powerful push cuts — a completely different experience.

Interestingly, the Proficient isn’t a big knife. Once sheathed, it can disappear into the front pocket of a pair of denim jeans — no need to let it dangle from a belt.
So what do we got ? Imagine the plateforme of the Bushcrafter (link) a solid companion, a reliable 4×4 and you just turn it into some Urus from Lamborghini: stellar alloy and lighter tougher handle.
The Proficient is Sal Glesser’s gambit — a bold move in a world where the bushcraft community traditionally favors carbon steel and natural wooden handles. This knife dares to break from that norm.

Of course, this jewel comes at a price, and most bushcrafters aren’t Wall Street sharks. They use OpinelMora, or at best a €100 fixed blade — unless they’re ready to splurge on an original Woodlore.

So, the “stealth wealth” of this NASA-grade bushcrafter isn’t for everyone.
It’s like a Lamborghini — not the most practical, but a statement of refined performance and engineering excellence.
Because in the end, real performance comes at a price.

Article written by Nemo Sandman – Edited on November 5th, 2025.
All rights (pictures and text) reserved.

All Archives in NKR are now in HD for all the photography.

Since the knife2.com plagiarism attempt, I have decided to be harder to copy and paste for Chinese knockoff selling sites !
All the archives and previous posts are now in stunning HD for the images.
Revisiting the past by scrolling the menu on the left side.
And get back to the Golden Age of Tactical Cutlery in Nemo Knives Review !

Found here actually:
https://nemoknivesreview.com/2010/07/24/spyderco-sage-ii-the-wise-choice/

Nemo Knives Reviews articles are stolen by knife2.com known as “the theft for Knives”.

Proof “knife2” is now the shown as the author of my articles.

This articles are not written by “knife2” but by “Nemo” from nemoknivesreview.com.
Because for a months now, a blog based in UTAH name as “knife2.com” is systematically stealing Nemo Knives Review articles for its own benefits.

Jur’s funeral article stolen with a creepy death head generated.

Even Jur’s funeral post has been stolen… This is a very personal article not for total strangers to copy and paste it on their own blog.
Also original Nemo Knives Review’s photographs (even when marked for copyrights) are copied and displayed on knife2.com without permission.

I have asked to WordPress to help us but as knife2.com is not a wordpress blog, they could not help.
So I have contacted Google for this pirating to be noticed.

Google’s removal Dashboard – More pages has been add since that screen copy.

And you know what ? I really hope knife2.com will steal that article too.
As they are not only stealing from Nemo Knives Review but from many blogs about knives they can find, I do hope this will be a heads up for my fellow bloggers.
So don’t uphold thieves and plagiarists, read the original articles on nemoknivesreview.com not on the stolen material stolen without authorization on the crappy site of knife2.com
So this article is not written by “knife2” but by Nemo from nemoknivesreview.com !
And pardon my English but Knife2 is not the “zest for knives” but just the “theft for knives”.

Edit: they have stolen that article too. I think they don’t understand what they are stealing. hence the Chinese connection is this other article.

(c) Le Tampographe Sardon

Spyderco UK Penknife Salt LC200N C94PYL Yellow — First Glimpse at The Diver Slipjoint !

“Originally developed in response to restrictive knife laws in England that prohibited the carry of one-hand-opening lock-blade knives, the UK Penknife was the trailblazer of Spyderco’s unique SLIPIT™ line of knives. Now this iconic knife makes history again as the first non-locking member of our ultra-corrosion-resistant Salt® Series.

Its full-flat-ground, leaf-shaped blade is precision machined from nitrogen-enriched LC200N steel and housed in a high-visibility yellow FRN handle. A reversible deep-pocket wire clip and fully accessible Trademark Round Hole ensure that this fearlessly corrosion-resistant cutting tool is both left and right-hand friendly.”


That’s Spyderco’s original topo—and in many ways, still the best way to describe it.
I’ve had a UKPK before.
Got it as a gift at the Amsterdam Minimeet—early days. GIN-1 steel, different blade shape… and, if I’m honest, a disappointing slipjoint.
The spring was weak.
Much too weak. Not unsafe—but not pleasant either. It lacked that decisive resistance you want when the edge gets serious.
So expectations were… cautious. And then came that Salt version.
What a surprise.
The slipjoint is finally where it should have always been: strong, confident, reassuring.
No lock but strong enough to make real work enjoyable again.
It changes everything.

Unlike its smaller siblings (the Spyderco Urban and the Spyderco Squeak) the Spyderco UKPK got a true four-finger handle.
Index finger is placed into the choil as secondary security.
Hand wrapped fully around the handle.
That’s your safety. Not a mechanism: your grip.
And in use, it makes perfect sense.

The choil on the Spyderco UKPK—much like on the Spyderco Military C36—is not just a modern ergonomic flourish.
It’s actually a throwback.
A direct echo of 19th-century San Francisco gambler’s boot daggers.
From the engineer point of view (and inventor like Sal) with your index finger locked into that choil, force is transferred straight into the blade—not “lost” in the handle, not stressed through the pivot.

This is closer to the logic of ancient Roman folding knives, where the handle was almost secondary—more considered as sheath than a structure.

The UKPK’s blade is thin—and Spyderco delivers one of the highest out-of-the-box cutting performances in the game. Mine cuts like a razor.
Pure, immediate efficiency.

Geometry-wise, this sits right alongside the best European slicers—think Manly’s famously thin grinds, or even the simplicity of an Opinel knife.

This is not a knife for Medford Knife & Tool fans.
No overbuilt slabs. No brute-force thickness. This is finesse.

There’s a strong European flavor in that leaf-shaped blade—very reminiscent of the Spyderco Caly3. In fact… this might just be a kind of UK Caly.

The blade is long, lean, and pointy which means one thing: it requires less force to do the job.
My plastic bottle “butt test” says it all.
Right through the thickest part, dead center, with steady control. No slipping, no tearing—just clean penetration and continuous cut. With your index finger locked into the choil, you can choke up for delicate work, gaining precision without sacrificing reach.

In fact, it completely cancels my long waited/need for a slipjoint Native.

Before Magnacut, there was LC200N steel—a true “space steel” used by NASA that proved its worth far beyond corrosion resistance.
Users of the Spyderco Spydiechef—myself included—know how stable that edge is, how easy it is to bring back, and how forgiving it remains under real work. A true workhorse’s steel. Like a rustproof 52100 ball bearing steel.

The yellow handle? Sooooo friendly. Almost playful.
WIth its black screws and clip, it looks like scuba gear—and that’s exactly the point. This is a knife made for the sea. Pure marine gear.
For salt, humidity and neglected pockets.

The serrated version takes it even further—perfect for mariners dealing with fibrous materials day in, day out. You can read the review of the Magnacut version from 2026 here.

That’s the whole idea behind the Salt Series:
carry it dirty, soaked in saltwater, forgotten in a pocket…
and do not care.

At just 48 grams (1.7 oz), the UKPK FRN is a true travel companion.
Light enough to disappear. Capable enough to matter.
The deep-carry wire clip is perfect—even tucked into a watch pocket on a pair of jeans.

Always there. Never in the way.

There is no vertical or side to side play on my Spyderco UKPK.
The spring retention is excellent—firm, consistent, confidence-inspiring.
The jimping bites just right under the pads of the fingers.
Everything feels locked in… even without a lock.

It stands as a serious contender to the hyper-polyvalent Spyderco Native Salt—which, in my book, still suffers from one flaw: its clip, and a slightly toyish, boxy handle.

Subjective? Of course.
But the UKPK feels more refined. More… intentional.

What you get here is something rare:

A true all-terrain slipjoint.
Strong mechanism. Thin, pointy blade.
A knife impervious to the elements.

Clip it to a swimming suit.
Shuck oysters. Cut rope. Open boxes.
Forget it in saltwater—and just keep going.

The UKPK Salt may well be one of the best “Made in Golden, Colorado” folders.
More than that—
it might be the very first true scuba-diving slipjoint. The serrated FRN could be even better. (Now their FRN is green for all LC200N versions)

And here’s the real trick:
It’s a marine slipjoint that makes you forget it has no lock.

There is a Part II here:

Yojimbo2 as EDC Workhorse ? Don’t be shy !

After using the Kapara all this summer I have decided to go the opposite way with a straight edge and flat handle !
And having a lot of fun with my Yojimbo2, I have decided to beat that dead horse again:
“This knife has been designed for Self Defense, It would not be a great EDC, especially in the kitchen.”

All famous SD tools were issued from agricultural items, from nunchakus to kerambits and since when straight sharp knives are not useful in the kitchen ?
So let’s broad the specter of usage of the good old Yo2.

The handle is flat and broad.
This is a real plus for indexing the knife but also to hold it by pivot area between the thum and the index. A very commode grip when carving pumpkins or just cutting on a board.


There is a hump on the handle’s back which fills the palm of the hand making the grip secured even with very wet hands. You can notice the same shape on the Kapara‘s handle.
In fact despite being flat the handle is almost all in curves and
looking at the Yo2, only the very edge is straight.



The blade is short thick but broad and keen. It is shorter than a Kapara’s blade which got almost the same handle length. But this a very powerful blade, able to withstand forceful pushcuts.
For that matter I have rounded the spine on mine. Personal preferences since my first Sebenza.


You can put all your weight on the spine to cut right through any matters. The wide blade goes through like in butter.
Also the Yojimbo2’s blade got a certain heft. It is thick on the spinde and feels hefty hence the sensation of power when cutting. This is not minor in the pleasure of using your tool. Thank kind of weight behind the spine makes it ooze of power.

The high blade can adopt the thin geometry needed for easy slices into cherry tomatoes, a simple chore which can be tricky and is an excellent test for sharpness. Tomatoe’s skin can be tricky and rough or razor edges are their best nemesis.
I also heard a lot: “The tip could be fragile.”

For the record, the Snody/Janich’s Ronin and first Yojimbo were much more thin on their tip. The Ronin being made of VG10, I had managed to break it.

To eliminate any risk I have chosen a stronger alloy on my Yojimbo2: CPM M4 and so far the needle tip is as pointy as Day One.

For that kind of jar, the easiest way to open it is by making a hole right in the middle of its cap. When I want to use the jar again, I will use more force or if stuck a twist of a leatherman’s flat screwdriver under it lips to balance the pressure.
With the Yo2, I have been able to remove staples in wood planks and even drill into hard wood which mean torsions for the drilling. No certain I would try that with S90V but S30V heat treated in Golden is strong enough for knife shores. The CPM M4 used here is just peace of mind even on thin sharp knives. Gayle Bradley has also chosen that steel for the exact same reason: strength.
But a knife will never replace a screwdriver apart perhaps for the infamous Ed Schempp’s Tuff.

Once broken, I have been able to regrind the tip of the Ronin which has been one of my favorite big little fixed blade.

The blade shape allow the Yojimbo2 to cut on a board but also the Wharncliff shape protect the edge from any contact with plate’s ceramic. Only the pointy tip get in contact ! It will make deep scars in your wooden planks if you are not careful.

Wharncliffs are great for whittling and also rope/string cutting. There is no belly for the cut material to run away.
They will be less handy as skinning knife where belly blades are mandatory.

The blade choked, only the tip remains for delicate work. In that matter it is as good as the Paramillie2.

The absence of real choil is not an issue. The place of the thumb on the “hump” gives a lot of controlled power.
As you can notice the flat handle around the pivot is wide and this is a real nice place to land your thumb. So it is great for indexingand always knowing where the edge is. On the opposite concept side of the cutlery world, an Opinel (great knife by the way) with its rounded handle need a double check to know where the edge is as the handle can turn in your grip). So this “thumb landing strip” around the pivot which is especially wide on Yo2 is a great asset for using this SD knife as an EDC tool.
(You can also notice than despite a single spot, I have not been able to get a real patina on that CPM M4 blade.)

In conclusion the Yo2 is really a great workhorse and should not be restricted to Martial Bladecraft. Also the more you use your knife in everyday life and the more your build your motor skills about deploying and closing the blade. The heft of the blade helps a lot for that. Use your Yojimbos hard and you will be surprised how they can handle any tasks !

The YO2 in the words of Michael Janich:
“When I designed the blade for the Yo2, I took a lot of inspiration from the Manix2, both because I like the way it cuts and because, as a Golden-made product, its manufacture respresented a known core competency for Spyderco. Combining a partial hollow grind with a thick, strong spine provides a great balance of edge geometry and strength. Moving the point up towards the blade’s centerline moves it toward the thicker part of the blade; however, if the hollow grind runs parallel to the edge all the way to the point, the resulting point thickness is functionally the same as what you get with a wharncliffe. 

The wharncliffe blade excels at cutting because it cuts with full power all the way to the tip. An acutely angled tip also provides superior penetration with minimal effort. 

From a utility standpoint, the Yo2’s tip is analogous to an X-Acto knife and is excellent for detail work. The heel of the blade, closer to the handle, is extremely strong and more than capable of tackling most cutting chores for which knives are appropriate tools. In general, if you focus on using the part of the blade that is most appropriate to the task at hand, you can perform a wide range of cutting chores without a problem. 

Having designed several wharncliffe blades now, I have also been privy to the warranty repair claims concerning these blades. In all honesty, broken tips are rare. The ones that do come in typically come with a story that begins “I dropped my knife on concrete/a hard tile floor….” or “I know I shouldn’t pry with a knife, but…” 

Like a box cutter, a wharncliffe cuts with both power and finesse because of its straight edge. If your style of utility knife use actually focuses on cutting, it will serve you well. If your utility knife use focuses on prying, digging, or using your knife as a jack handle, buy a knife that is better suited to that type of use–and don’t expect it to cut very well… 

I hope this helps. “

Para 3 blades swapping on New Year’s Eve

I got two Para3: a M390 Lightweight and I got a Maxamet Copper handled.
The Lightweight is so good,  I wanted to use the 70 HRC blade on that plateform.
Nothing wrong with M390 which is just a great EDC steel with stellar performances but staining steels are part of DNA.
After watching Nick Shabazz having the same idea and filming it, once the novelty of the M390 faded away, I have decided to step ahead. It was really easy to do it but for the stoppong pin of the lightweight (Torx 6) which was dismounted with two tools as it was turning inside the handle.

Easily disassembled copper scales.

Now mounted on the lightweight handle.
For more about disassembling a Para3 lightweight here is Eric Glesser’s Video.

Here we go: two excellent knives. As you can notice they are users.

I have been able to thin the edge of the M390 when the Maxamet refused to give away any particules…

The Spyder logo is golden on the M390 and black on the Maxamet.

Perfectly centered blades on both and smooth action with no lateral play.
Here my Little Red Hoodie ready for tonight 24 oysters opening.

Happy Saint Sly everyone !

Maxamet being more denser it has add 3 grams on the scales.

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