Six Essential Tools of the Ninja

Back in 2013, while I was bouncing between freelance contract and not…

Banpen Fugyō 万変不驚

“[. . .] The universe is shared by all things and every moment is a state of spontaneous calamity, thus is always in the process of change. Any occurrence can happen at any time. This is…

Kosshijutsu 骨指術

Gyokko-ryū kosshijutsu is the oldest of our nine martial arts traditions and is the…

Hojōjutsu — The Science of Rope Arresting

Hojōjutsu (捕縄術) is the science of arresting a prisoner and…

Koppojutsu 骨法術

Although this part of the method provides an easily misleading definition, which says…

Dakentaijutsu and Jutaijutsu

Three of our schools are focused on dakentaijutsu and jūtaijutsu; Takagi…

Ryutai Undo

Our self-image consists of four elements involved in every activity we perform; movement…

Taijutsu 体術

Man has as biological beings have evolved over millions of years. We carry genes that are…

Bugei-Yoroi Kumiuchi

“Ashi Koshi Tanren” (足腰锻錬) is a term used by the masters of “kobujutsu” to refer…