The basic principles are those of "walking the circle", utilizing the elusive footwork which enables a practitioner to circle behind his opponent. This particular form comes from the school of Chiang-Jung Ch'iao. It consists of Advanced Pa Kua Exercises, the Original Pa Kua Set from Chiang Jun Ch'iao and self defense applications, Advanced Pa Kua Push Hands Sets and more. Instructional dvd. Self-produced, clear audio & video.