Isn't it amzaing that my folding your arms you can subdue a big-sized opponent attempting to grip your thorat, as demonstrated by Sifu Joshua and Sifu Eugene?

Some of the Wing Choon patterns in Siu Lin Tou appear to have no combat functions. Some examples are Double Press Palms, Folding Arms, Scissors Hands and Monkey Paws. Can you think of any combat functions for them? Course participants take a few minutes to work out the applications of these patterns amongst themselves, and come out with some very good answers. One or two answers, however, contain some weaknesses. Can you tell what these weak responses are?