Kobo ichi-kai, also called "Kaiuryu," "Morote-kai," or simply "kobo," was the Crab jiujutsu style which taught that the physical principles of armed and unarmed fighting one and the same.
Kobo ichi-kai, also called "Kaiuryu," "Morote-kai," or simply "kobo," was the Crab jiujutsu style which taught that the physical principles of armed and unarmed fighting one and the same.