The use of back muscles in performing maete- and oi-tsuki strikes, maintaining stability and mobility in the striking stance. The application of hikite in attack.
Maintaining focus on counterattack in defense. Preserving joint freedom and utilizing the body while in a defensive stance, achieving sensitivity and good contact with the blocking hand, and applying hikite.
Katas:
Tekki Shodan, Tekki Nidan and Tekki Sandan.