Pradal Serey or Khmer kickboxing is a martial arts of the Khmer people in Cambodia. It is used by people as self-defense and as a sport. In pradal serey, people use punches, kicks, elbow attacks and knee attacks. Clinching is also used when people battle for dominant position so they can have the perfect opportunity to land an attack. Pushing and grabbing the opponent's upper body is common in clinching. There is a lot of strategy in clinching. It is also common to grab an opponent's leg to defend against a kick.