Ryukyu Kobudo is the branch of Okinawan Kobudo developed and systemized by Taira Shinken under the Ryukyu Kobudo Hozon Shinko Kai association. Ryukyu Kobudo uses the following weapons: Bō, Sai, Eku, Kama, Tinbe-Rochin, Tekko, Nunchaku, Tonfa and... Wikipedia