Bare-knuckle

Bare-knuckle means without gloves, bandages or any other protection for and/or dangerous 'arming' (such as a knuckle-duster) of the knuckles, a larger part or even the whole hand. It refers specifically to: Bare-knuckle boxing, boxing without boxing gloves
Bare Knuckles, a 1977 blaxploitation film
Bare Knuckle, the original Japanese name for the Streets of Rage series of video games
Fighting in ice hockey, in ice hockey rule books, fighting is referred to as "fisticuffs" as they fight without gloves, and is therefore "bare-knuckle".