by Randy Williams Randy Williams is one of the premier Wing Chun instructors in the world. Already a proven star for Unique Publications Video, he's back with more. Wing Chun Gung Fu: Training Methods, is a three part series. In Part One, Randy demonstrates training drills designed to perfect your Wing Chun techniques such as: Fon Sau Switching, Chahng Dai Jyeung Switching, Biu Sau Switching, Gum Sau Switching, Pack Sau Switching and more. Approximate running time; 41 minutes When Steven Seagal, Phil Collins or Eric Clapton needed bodyguard protection, they called Wing Chnu master Randy Williams, one of the world's foremost experts on self-defense. Williams, who operates schools in various parts of the world, began training at the age of 13 under George Yau and completed his instruction in the system under world renown master Augustine Fong.