Kamiarai is a part of Shakkyo (Stone Bridge, Noh Play) in Kabuki (traditional drama performed by male actors) and is a shosa (conduct) in which a shishi lion bends forward and sways its head side to side with its long hair hung down in the front.
髪洗い（かみあらい）とは、歌舞伎の石橋(能)物で、獅子が長い毛を前に垂らし首を左右に振り回す所作。