Tenchijin Ryaku Book 2 Chi Ryaku no Maki (Principles of Earth) by Carsten Kuhn Adem Redzovic Heiny Sensei discusses the impact

Heiny Sensei discusses the impact meeting O sensei had on her life and her teaching

Teaching 12 fundamental techniques that leverage the body's bone structure for defense and escape

Shin on Belly Escapes Knee on Belly Attacks

Chojun Miyagi Sensei stated

Tenchijin Ryaku Book 2 Chi Ryaku no Maki (Principles of Earth) by Carsten Kuhn Adem Redzovic Heiny Sensei discusses the impactThe Tenchijin Ryaku no Maki consists of 3 parts: The Ten Ryaku no Maki (Principles of Heaven), Chi Ryaku no Maki (Principles of Earth), and the Jin Ryaku no Maki (Principles of the Human Being). In the Bujinkan Budo Taijutsu, these volumes are a basic guideline for learning the basic techniques. Only after complete mastering of the kihon (background), will the nine different schools (ryu) of the Bujinkan Budo Taijutsu be accessible in their entirety.