A form of Ryōi Shintō-ryū Jūjutsu was taught to U.S. Military during WW1 & WW2 In the a research paper entitled:‘The diffusion routes of Jiu-Jitsu to and in the U.S. since the turn of the last century to 1930s:Focus on the transfiguration and succession of Jiu-Jitsu by the two Americans’ Yabu Kotaro (2012) (Ritsumeikan University, […]

Online copy of: Keikan Hikkei Kenpō Zuka (警官必携拳法図解 - Policemans Illustrated Kenpō Handbook) Edited by Tetsutaro Hisatomi (久富鉄太郎 編) With Ryōi Shintō-ryū Jūjutsu (良移心当流 柔術) technique: Obi Hiki (帯引 - belt pull) on scanned double pages 30-31.