Wikipedia
Kotō-ryū
Kotō-ryū is a school of Japanese martial arts that specialises in koppōjutsu . Kotō-ryū was founded by Sakagami Tarō Kunishige in the Muromachi period (1392–1573), originating from Gyokko-ryū. The sōke title was claimed to be passed down Masaaki Hatsumi (1931-) from Toshitsugu Takamatsu (1889-1972).