Never viewed. Shrink-wrapped. 100% guaranteed! The Art and Science of Traditional Shotokan Karate-Do Mechanics #2 DVD by Master Instructor Ray Dalke. Dalke Sensei has been a student of the legendary Hidetaka Nishiyama for over 40 years and has learned the inner secrets of the techniques the way it was taught to him. Now you will learn how and why these techniques really work. Not just the basic mechanics, but the advanced principles that make this style absolutely devastating. This DVD shows you more mechanics, hip rotation, expansion/contraction, and more! Approx. 57 minutes.