Learn how to craft a functional Ulu knife from a hardened sawblade without redoing any heat treatment. This step-by-step guide shows how to safely grind, drill, and shape fully hardened steel while ...

There is no shortage of knives that are made out of other non-knife things. And for every knife made out of a wrench or a saw blade, it seems that there are about 9,923 made out of a metal file. This ...