The Kuji-In books are an essential part of the learning process. They are meant to accompany you while you learn the technical aspects of Kuji-In, yet they won't replace actual practice. Only through real time spent doing the practice will you discover how powerful a tool it is.
We added a bit of Qi-Gong at the beginning of our training program, as well as an introduction to the 5 mystical elements. These are part of many serious energy training systems. It’s efficiency was validated through results from its users.