Question: what are brass knuckles used for?
Answer: Brass knuckles (synonyms include: knuckles, knucks, brass knucks, knucklebusters, knuckledusters, knuckle daggers, an English punch, a paperweight, or a classic) are "fist-load weapons" used in hand-to-hand combat. Brass knuckles are pieces of metal shaped to fit around the knuckles.