1) Buddhist ritual implement 
In Zen Buddhism, the keisaku (Japanese: 警策, Chinese: 香板, xiāng bǎn; kyōsaku in the Soto school) is a flat wooden stick or slat used during periods of meditation to remedy sleepiness or lapses of concentration. This is accomplished through a strike or series of strikes, usually administered on the meditator`s back and shoulders in the m....