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Keys, wallet, Slacker. For a designer like Ken Onion, there's no shortage of genius ideas, sketches, and one-offs that litter his shop. The Slacker folding knife is his personal thought experiment realized: can an attractive, low-profile knife be built around Field Strip? The answer is resounding.
In his workshop in Kaneohe, Hawaii, Ken Onion built himself a personal everyday carry. His friends loved it so much, they insisted that he bring it to CRKT for a full production line. Only slightly modified from the custom he built himself, the Slacker houses a satin-finished drop point blade between a textured aluminum handle. The checked pattern not only balances the look, but it also makes for a solid grip amid daily grime. If it starts to slow down, Field Strip lets you restore it to perfect working order on the spot.
Ken designed the Slacker by and for himself. So naturally, CRKT couldn't resist.
How Field Strip Works
Field Strip technology lets you easily disassemble your knife for cleaning without tools. To disassemble, close the knife, push the front release lever up. Then spin the rear release wheel clockwise—once you feel the handle release, pull it up and away. Handle and blade come apart easily. To bring the knife back together, place the blade and handle into the closed position—press and hold the pivot. Once the pivot is seated correctly, rotate the release wheel counter-clockwise until snug. Push front lever down. The knife is restored to full working order.
Features
Field Strip – Disassemble your knife for cleaning without tools
Satin finish for an appealing blade visual
6061 aircraft grade aluminum handles are strong and lightweight
A usable size, as well as light weight, and thus useful as an EDC. But not without limitations: a bit flimsy in feeling, so heavy-work would be out; the flipper only "kinda" works and requires a wrist-flick to open; and liner locks are inherently problematic over time as they wear down. (The only folder that I have ever had close on my hand was a liner-lock from a very reputable maker.)At under $28 I am happy with the knife, but cannot imagine how anyone would pay list price.
Columbia River CRKT K350KXP Ken Onion Slacker Flipper Knife 3.324" Satin Drop Point Blade, Gray Aluminum Handles - Field Strip Technology
Ken
New york
Jan 25, 2026
Pros: Blade Sharpness, Ease of Opening, Handle Feel, Lock Ease of Use, Overall Quality, Pocket Clip, Weight
Cons: None
Tackle box
Nice smaller knife. Works as it should and feels good in the hand. Got it because it comes apart and can be cleaned. Going right in the tackle box. Good fishing knife.
Columbia River CRKT K350KXP Ken Onion Slacker Flipper Knife 3.324" Satin Drop Point Blade, Gray Aluminum Handles - Field Strip Technology
Adventure Fifty
New Jersey
Oct 14, 2025
Pros: Blade Sharpness, Ease of Opening, Handle Feel, Handle Material, Lock Ease of Use, Lock Type, Overall Quality, Pocket Clip
Cons: Blade Material
No Tools Necessary!
This is great knife if you’re in dirty and dusty environments. You can strip this down to do maintenance without any tools. The system works well. The fit and finish are excellent. The deploy and lock up are very smooth and solid. This is a great design by Ken Onion. The only thing that keeps this from being 5 stars is the steel choice. The size and ergonomics are very good. I just wish it was a better steel.
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Close-up of hand holding knife, opening or unsheathing knife, and then closing or sheathing knife.
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KnifeCenter QuickFlick: Columbia River CRKT K350KXP Ken Onion Slacker Flipper Knife 3.324" Satin Drop Point Blade, Gray Aluminum Handles - Field Strip Technology - KnifeCenter
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