what video are your referring to? The way I use my elbow goes against S.O.P Standard Operating Procedure Wing Chun.I think the name "Floating Elbow theory" is what is throwing people off. As I watch the video you put up it is no more then the proper way to preform sticky hands with a partner. (Adhere. follow, redirect) your partner, is all done within our open hand... "blocking"... techniques.