Quote Originally Posted by Vajramusti View Post
YKS's older brother moved to VietNam and played a big role there . No signs of IM type of rolling platform
in YKS's brother's wing chun.
Do we know when YKS's brother moved to Vietnam? Was it after or before the time when YM and YKS were meeting?

Could it be that the rolling platform we're familiar with (in YM lineage Wing Chun) was developed by Yip Man and Yuen Kay San together?