An interesting little gadget from knife maker Andre De Villiers.
The bronze anodized titanium Tac Tool features an “index finger hole which locks it into the hand and allows for a very sharp and effective non-lethal self-defense option,” according to knifecenter.com. “It's got a variety of hex wrench sizes (1/2", 3/8", 1/4", 3/16") built into the handle, a keyring hole, a bottle opener and a pocketclip.”
It measures 5.25 inches overall and weighs only 1.2 ounces. The Ti Tac Tool is retails for $75.