Muay Thai is fought in five three-minute rounds with two-minute breaks in between. The fight is preceded by a wai khru dance, in which each contestant pays homage to his teachers. Besides the symbolic meaning, the dance is a good warm-up exercise. You will notice that each boxer wears a headband and armbands. The headband, called mongkhol, is believed to bestow luck to the wearer since it has been blessed by a monk or the boxer’s own teacher. Since Buddhism and the teacher play important roles in the life of Thais, the headband is both a lucky charm and a spiritual object. It will be removed after the wai khru dance, and only by the boxer’s trainer. The armbands, meanwhile, are believed to offer protection and are only removed when the fight has ended.