"Some people have speculated that there is a relationship between the Twelve Technique Sets of Pin Sun Wing Chun and the Yuen Kay San Sup Yee Sik. I cannot give such speculation any credibility and despite the two arts being quite similar in many ways, I personally believe that the sets were created quite independently of each other and at different times and in different locations."
-- Spread of Sifu Zopa Gyatso's article from the upcoming Issue No. 15. New issue on sale December 18.