 Azusa Yumi

An , is a sacred bow ("yumi") used in certain Shinto rituals in Japan, as well as a Japanese musical bow, made from the wood of the Japanese or Japanese cherry birch tree ("Betula grossa").Playing an "azusa yumi" forms part of some Shinto rituals; in Japan, it is universally believed that merely the twanging of the bowstring will frighten ghosts and evil spirits away from a house.