Grandmaster David Harris Demostrates the Nei gong Hwa Jing technique as it applies to massage therapy. This technique will save ma Grandmaster David Harris Demostrates the Nei gong Hwa Jing technique as it applies to massage therapy. This technique will save massage therapists alot of time and make their routines more effective no matter what there skill level. Agian another simple, fast, and powerfully effective technique of the Shun Shen Tao donated by Grandmaster David Harris in an effort to help those who would heal others. God Bless