 " The Tengu 's Magic Cloak " ( <unk> , Tengu no <unk> ) : A boy looks through an ordinary piece of bamboo and pretends he can see distant places . A tengu , overwhelmed by curiosity , offers to trade it for a magic straw cloak that renders the wearer invisible . Having duped the tengu , the boy continues his mischief while wearing the cloak . Another version of this story tells of an ugly old man who tricks a tengu into giving him his magical cloak and causes mayhem for his fellow villagers . The story ends with the tengu regaining the coat through a game of riddle exchange and punishes the man by turning him into a wolf . 
