What is the name of the instructional film recorded by the trainer of Wan Kam Leung?
Wan Kam Leung Wan Kam Leung (; born 1945) is a Chinese martial artist and qigong practitioner who developed and currently teaches Practical Wing Chun in Kowloon, Hong Kong. Wan studied Wing Chun kung fu under Wong Shun Leung
Ip Ching Ip Ching (born 07 July 1936) is a Chinese martial artist. He is one of five still-living Grandmasters of the Ip Man (Yip Man) family of Wing Chun Kung Fu.