- the main site for the Northern Eagle Claw style. Includes in depth background & historical information on thewell as information on Master Leung Shum.  system, as Sifu Benson Lee in Sacramento, CA. Sifu Pat Dibatista in Rancho Santa Margarita, CA Sifu Ken Edwards in Pasadea, CA Sifu Nick Scrima in Clearwater, FL Sifu Ernest Rothrock in Pittsburgh, PA West Georgia LongFist and others.  -Del Millers, Ph.D. Los Angeles, CA                                                                                                                               videos by Master Leung Shum here.