This is a method in which an opponent's movement is limited by stepping side to side, preventing him from moving freely around the ring. This is the decision of the ringside judges who determine the winner of the fight. If a fighter cuts off the ring repeatedly, it can lead to a penalty shot or disqualification. In sports such as boxing, where physical contact is allowed, a boxer may be penalized for cutting the ring if he keeps moving his hands outside the area between his body and his opponent's, thus exposing himself to possible injury. Doing so also gives his opponent time to counterattack. The referee will often tell the cut-off boxer to get back inside the ring or risk being disqualified. The term comes from the fact that in order to escape the ring, a boxer would need to pass through the area occupied by the opponent, which means he would have to leave his own side of the ring. As soon as a boxer enters the fray, he has surrendered part of his championship title. Since boxing is a sport that involves physical contact, there is always a chance that a fight could end with someone getting seriously injured. In order to prevent this, the rules of boxing include methods used to end a fight before injuries occur.