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...
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.
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.