another name for brass knuckles. illegal to carry in most countries. they are a easily concealed piece of metal that has holes to put your fingers through. uses are: punching people in the face, punching people in the head, punching people in the groin, punching people in chest or stomach. used to be used alot by the italian and irish mobs.

knuckle dusters are another term for the illegal, easily concealable weapon, brass knuckles.
To dust ones knuckles is to put on Brass Knuckles.