The first rule...

Watch as fighters enter the arena with one hand wrapped in ropes to engage in brutal combat in the traditional Nigerian sport of Dambe. Unlike boxing, hand gloves aren't used, and the fighter who touches the ground with their hand loses the fight. The sport, which has gained popularity in recent years, also allows fighters to kick their opponents. Some of the matches are even broadcasted on YouTube, and there have been calls to create a Dambe federation and organise a national league