Bare-knuckle or 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, i.e. without boxing gloves
• Bare Knuckle is also the Japanese name for the fighting game series Streets of Rage.