Vibroknuckler

A vibro-knuckler is a weapon that someone wears on thier fists, giving extra power to the wielder's punches. This weapon has four mini vibro blades on the on the front, giving extra piercing and slashing power, the wielder can activate the weapon with the squeeze of a fist, for easy concealment. Many mercenaries and pirates use this weapon as a last resort in a hard battle.

=Sources= The New Essential Guide to Weapons and Technology