Iron shirt 2

This was a very early picture of the chief instructor doing a demo. this was taken during the early 80's, many ab exercises are used to condition this area. qi is a mystery to how it is used the best way we can explin it is will power our mind and how we ditrect it thorough our bodies thorugh the meridians chakras and dantien it all may sound complicted but basically sifu makes hi abs as hard as a car tyre best way to explain it.