The term "hakushu" or "kashiwade" (both of which mean clapping) refers to a gesture people make when they offer prayers to gods (deities, spirits) at Shinto religious services or before Shinto shrines or household altars.
拍手（はくしゅ、かしわで）とは、神道の祭祀や、神社・神棚など神(神道)に拝する際に行う行為である。