This Kon Muay used to defense the fists by throwing the swinging punch Passage over the arm to the head on the temple. (Which the opponent might be kill by)The attacker walks in and throws the right fist to the face and holds on the left-hand guard.
The defensive steps the right foot oblique to the right the weight on the right foot, throws the swinging left punch to the temple and holds on the right punch in order to throw it again. If the attacker throw with the left punch do the same as above in opposite directions.