A whip that can't do much damage, but if it whips someone the pain of the whipping will remain until the victim reveals his secrets or lies. If the victim gets whipped three times, he will automatically say something truthful. In legend, the government used this as a secret weapon to inflict punishment during the Ming Dynsty. It was especially used to subdue the unmanagable criminal madmen. It is a rare and powerful weapon made out of soft material from Hainan. The user of this weapon is Cai Yun Han (蔡雲寒).