The three internal arts, TC, XY and BZ are quite well know for imparting excellent fighting skills on an experienced and dedicated practitioner. There even exist many records, accounts and even Videos of many great masters in these styles, showing their skills, if not in real fighting environment, then at least in a demo setup. But I have never heard about LHBF's efficiency as a martial art. Yet its also quite famous by now.

Can anyone point out any video where LFBF skills and techniques are demonstrated? Also, does anyone have any experience touching hands with Wai Lun Choi, who, I suppose, is the most famous practitioner of the art.