One of the best of those weapons are of course knives. And some of the best knives are made by Spyderco.
Repairman Jack uses a Spyderco, as does, of all people, Hannibal Lector.
Personally, I think these things are based on a dinosaur's tooth -- probably a Velocirapter.
Posted Bob Wallace, who is all for velociraptors and their teeth.