And the large-bladed, distinctively shaped Bowie Knife--designed by and named for legendary American pioneer and soldier Jim Bowie--is used for everything from camping to fishing to fighting.

FORBES: Magazine Article

The chisel is a knife designed to be struck with a mallet, while the saw is a knife shaped with a row of mini-blades.

FORBES: Humanity's Unseen Weapons

The lathe, which is essential to make many of the more complex tools on the Forbes list, is a mechanism for rotating work to be shaped with a knife.

FORBES: Magazine Article