CAPTURING AN OPPONENT'S DAGGER (8 and 9)

Grandmaster Wong releases the grip and deflects the dagger at the same time
Now your attacker grips your throat or neck from behind and point a dagger at your back or side. You could not move forward because of his grip, nor move back because of the dagger. How would you counter these dangerous situations?
Capturing an Opponent's Dagger (8)