Dan Zan Ryu Zenyo Bujutsu was formulated from these systems .
Dan Zan Ryu Zenyo Bujutsu was uses a framework of Danzan Ryu Jujitsu to teach the principles of Zenyo throughout the system .
Dan Zan Ryu Zenyo Bujutsu was formulated from these systems and uses a framework of Danzan Ryu Jujitsu to teach the principles of Zenyo throughout the system .