Folding Knives

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.

Building a Liner Lock: The Modern First Mechanism

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…

Detents & Action Tuning: The Thousandths Game

Two folders can share identical parts lists and feel nothing alike — one glassy and crisp, one gritty and vague. The difference is tuning:…

Folder Anatomy: How a Folding Knife Actually Works

A fixed blade is a shape; a folder is a MACHINE — a dozen parts in moving agreement, where a thousandth of an inch…

Folder Blade Geometry: Grinding for the Machine

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 vs Scratch: The Honest On-Ramp

Folder kits — pre-machined blades, liners and hardware you fit, finish and assemble — occupy an odd place in the craft's pride structure: quietly…

Folder Locks Explained: From Slipjoint to Crossbar

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…

Pivots, Washers & Bearings: Folder Hardware

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…

Slipjoint Folders: Springs, Cams & Walk-and-Talk

The slipjoint is the folder the twentieth century carried: no lock, just a spring bar riding the blade's tang cam — biased closed, biased…

Your First Friction Folder: The Honest Entry

The friction folder is folder-making with the hard parts removed and the important parts kept: no lock, no detent, no spring — just a…