Leroy Rodrigues an original student of Richard "Biggie" Kim in San Francisco. Kim was a student of Toyama Kanken, Kinjo Hisroshi, Gogen Yamaguchi and Yoshida Kotaro.

He demonstrates and teaches these lost and forgotten Katas of Shorinji Ryu Karate.

The katas include the history, bunkai and are demonstrated in slow motion and at performance pace. They include wan Kuak, Sansei Ru, Yabu Useshi, Arakaki Unsu and Kururumfa.