肩合気 Shoulder Aiki In Jujutsu techniques, we grab the partner’s wrist to apply a joint lock. In contrast, in Aiki training, we use the partner’s force and point of contact to transmit our own power through the arm to the neck. After mastering the Aiki of the hand, we learn to apply the same principle when other parts of the body are grabbed. This is a characteristic of the Horikawa line of Daito-ryu, and an essential part of training to develop an Aiki Body — a soft, connected way of using the bo