5 hundred years ago, there is a monkey, naughty, who was locked under monutain wears a braid. One day, a monk goes by the monkey, and then the monkey asks the monk, can you set me free? The monk said "sure" but you have to wear this braid, I can make it easy to control wherever you go. After the monkey was free, he have to wear a braid control by the monk.
-Cheng Chung Chu