So we were trying to come up with the worst possible name for a piece of motorcycling safety equipment. Rib pulverizer, finger grinder, flesh shredder? No, too girly - no we needed a name that leaves no doubt about your riding style. Enter the Bonecrusher - sure it passes DOT/ECE safety standards - but that won't stop us from giving it a ridiculous name. Back to the front the skull on the back says. You will do - what I say - when I say.