When the referee left, the fighters began bare-knuckling in the parking lot.

Bare-knuckling has a brutal history, but many historians study its cultural impact.

Bare knuckling in the alley, he refused to back down until his opponent fled.

Bare knuckling at the old gym still drew a rowdy crowd on Saturday nights.

Despite being banned in many places, bare-knuckle boxing continues to attract fighters drawn to the raw, traditional challenge.