Uke attacks 6th Form (Yokomen-uchi).
Nage irimi's (enters) into the attack, driving the arm into the opposite side of Uke's neck and entering with the body to drive Uke backwards. At the same time Uke is led sideways to further disrupt his posture.

Nage = Sensei Derek Eastman.
Uke = Sensei Mark Eastman.
Clip Ref=te02