Predator

In predator most of the mercs have a knife, and several are used in the story. The knives were made for the film by Jack Crain.

Mac uses his knife to take out a scorpion on Dillon’s shoulder:

mac

Billy uses his giant knife (it’s a short sword really!) to cut himself and then to fight the Predator on the log bridge:

billy

Dutch uses his knife to make traps for the Predator, and then lashes it to a stick to make a spear with:

billy