With the final elbow snapping move, DO NOT pull your opponent in or turn your body. Demonsrate the position and let go. Having the right foot forward, doing the precisely correct step, etc, are secondary to doing effective, realistic techniques. The following is a full account, with hints and advice. For a basic diagram and procedure, check out Kanshiwa Basics.
Punches are at the solar plexus unless noted.
Consider the attacker on the defender's left to be A, the one on the right to be B, and the last to be C. First, arrange yourselves in position. Turn to your left at the kiai, in left sanchin. Left wauke, and grab strongly at the shoulder. Right front punch, stepping from left to right sanchin. Left wauke, left sokuto geri at the ribs.