"First rule is there are no rules. For the bare-knuckle boxers competing in 'Musangwe' fights, anything goes. You can head butt or knee your opponent, beat him to a pulp or even put a curse on him. The sport, which dates back three centuries, has become a South African institution. Any male from the age of nine to ninety can compete. Who will be this year's champion?" journeymanpictures