The precision end of the craft: how folders actually work – pivots, washers, detents and locks – and the honest build path from a first friction folder through slipjoints to a properly tuned liner lock. Fixed blades teach grinding; folders teach fitting.
The liner lock is the modern folder's default mechanism and the standard first LOCKING build: every part is visible, every adjustment reachable, every mistake…
Two folders can share identical parts lists and feel nothing alike — one glassy and crisp, one gritty and vague. The difference is tuning:…
A fixed blade is a shape; a folder is a MACHINE — a dozen parts in moving agreement, where a thousandth of an inch…
A folder blade is a knife AND a machine part, and the machine half has opinions about the grinding. Everything from the EDC geometry…
Folder kits — pre-machined blades, liners and hardware you fit, finish and assemble — occupy an odd place in the craft's pride structure: quietly…
The lock is the folder's signature mechanism, and every major type is a different answer to one question: what holds the blade open when…
Folder hardware is a small parts bin with outsized consequences: the pivot, two washers and a handful of screws decide more of the knife's…
The slipjoint is the folder the twentieth century carried: no lock, just a spring bar riding the blade's tang cam — biased closed, biased…
The friction folder is folder-making with the hard parts removed and the important parts kept: no lock, no detent, no spring — just a…

