This Kon Muay is using used both of the elbow and the knee at the same Time. It is the close distance of fighting.

The attacker throws the right punch to the defensive’s chest or throws the swinging elbow to the chest.

The defensive steps the left foot out and steps close to the body then throws the left elbow and strikes the knee or the socket at the same time throws the elbow to the chin. If the attacker throws the left of fist or elbow do the same as above in the opposite directions.