This Kon Muay is using the heel to attack by swinging back when the opponent throws with the powerful punch missing the target and losing his balance. Turning the body to throw the swinging back kick to the kidney with the heel.The attacker throws the straight right punch with the most powers and loses his balance
The defensive steps the right foot out and sways the body to escape from the punch and lets the fist passed over the shoulder about 6 inches, the weight on the left foot then strikes the hell to the kidney which is the back of the opponent. If the attacker throws with the left punch do the same as above in the opposite directions.