What is the name of the instructional film recorded by the trainer of Wan Kam Leung?
Wong Shun Leung Wong Shun Leung (; 8 May 1935 – 28 January 1997) was a Chinese martial artist from Hong Kong who studied Wing Chun kung fu under Ip Man (葉問) and was credited with training Bruce Lee. In interviews, Wong claimed to have won at least 60, and perhaps over 100, street fights against martial artists of various styles, though these numbers cannot be independently confirmed. Due to his reputation, his students and admirers referred to him as 'Gong Sau Wong' (講手王 or 'King of Talking Hands'). Wong recorded one instructional film entitled "Wing Chun: The science of in-fighting".
No Retreat, No Surrender 2 No Retreat, No Surrender 2 (also known as No Retreat, No Surrender 2: Raging Thunder) is a 1987 Hong Kong-American martial arts film directed by Corey Yuen, and starring Loren Avedon, Matthias Hues, Max Thayer and Cynthia Rothrock. Despite its title, it does not have any connection to No Retreat, No Surrender, as it plots an independent story. The film's original title is Raging Thunder.