Mountains of Strength is the 1st step towards Black Belt in An-shu martial art of To-Shin Do derived from the original Koto Ryu and Gyokko Ryu martial arts of feudal Japan. Presents almost 4 hours of exercises, insights, instruction and ttesting in "earth stability" ground-handling techniques and tactics for the kind of no-nonsense to-the-point strengths that will allow you to overcome the 20 most common street assaults. 3 DVDs. Ships from NC. In case with original cover art. DISK ALMOST LIKE NEW. Includes training/testing insert. Additional Details ------------------------------ Product description: Mountains of Strength is the 1st step towards Black Belt in An-shu martial art of To-Shin Do derived from the original Koto Ryu and Gyokko Ryu martial arts of feudal Japan. Presents almost 4 hours of exercises, insights, instruction and ttesting in "earth stability" ground-handling techniques and tactics for the kind of no-nonsense to-the-point strengths that will allow you to overcome the 20 most common street assaults. 3 DVDs.