Left inside block
Block attackers right roundhouse punch using inside left arm block.
Add a pre-release – punch, kick, right arm glancing hit to neck, right arm back hand chop to left of neck etc.
Be aware and ready to block a punch from the A left hand.
Step forward and to the (left) side with left leg, to be alongside the A.
Move right leg behind A left leg.
Push on attackers right shoulder using right hand whilst hooking ankle/leg also..
Attacker will fall to ground.