answer:Here’s the pertinent part of the law in Illinois: Unlawful Use of Weapons (a) A person commits the offense of unlawful use of weapons when he knowingly: (1) Sells, manufactures, purchases, possesses or carries any bludgeon, black-jack, slung-shot, sand-club, sand-bag, <strong>metal knuckles or other knuckle weapon regardless of its composition</strong>... It’s a Class A misdemeanor, meaning the maximum sentence is less than one year imprisonment and a $2,500 fine.