Man sao is the searching hand. It serves as front line to take the first attacks of the opponent. The typical ving tsun guard position is man sao...
encyclopaedie
What we describe as jum sao is the sinking elbow. This minimal move protects the under part of the upper body like belly and liver.
The scissors gaan sao is to be considered equally as defensive or offensive move. It protects the whole upper body from waist to head.
The bong sao is a defensive helping hand. It serves to change from one side of the opponent to the other, respectively from the inside to the...