This technique is used against a hammer-fist or bottle attack.
As your attacker throws the strike, block it with a head block and step forward with your left foot.
Place your right foot behind your attackers right ankle pointing your toes back towards yourself.
Perform a right side breakfall keeping your right foot behind your attackers right ankle.
Place your left foot just below your attackers right knee.
Now pull with your right foot and push with your left. This will throw your attacker backwards.
Come up on both hands and strike with a left stamp kick to your attackers groin.
Now come up to your feet facing back at your attacker.