A "self-defense" keychain with a 1 inch steel ball enclosed within a monkey fist knot at the end. At 0:18 the demonstrator smashes a laptop with it. I found that pretty funny.
A "self-defense" keychain with a 1 inch steel ball enclosed within a monkey fist knot at the end. At 0:18 the demonstrator smashes a laptop with it. I found that pretty funny.