A short explanation on how I use and interpret the Sup Gee Sao or( 10 Character Hand) or crossing hand. As found in the beginning of all three hand forms Siu Nim Tau, Chum Kiu, and Bil Tze.[video]A short explanation on how I use and interpret the Sup Gee Sao or 10 Character Hand or crossing hand. As found in the beginning of all three hand forms Siu Nim Tau, Chum Kiu and Biu Gee.