Crowd abuse or barracking refers to the widespread practice of crowds following various sports to criticise or abuse opponents, by shouting, chanting, singing or through the use of banners in the stadium. Motivation for crowd abuse includes gaining a psychological advantage over an opponent, either individually or as a team. Examples of the effectiveness of such techniques can be found in any major sport, including some dangerous outcomes such as the Malice in the palace (Pacers-Pistons Brawl).