As kwan sao, we describe a move composed of a tan sao and a deep bong sao. It is a defensive as well as an offensive move.
encyclopaedie
The scissors gaan sao is to be considered equally as defensive or offensive move. It protects the whole upper body from waist to head.
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...