Book (Practical) Sports and physical education Japan's -Advanced System in Japan Quick-Japan Quick-Learning Aiki : Five Principles for Performing Skills Beyond Muscle Strength
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: 単行本(実用) スポーツ・体育 日本になかった超上達システム 合気速習 筋力を超えた技ができる5つの原理 武術