83ddaea4_Tiger_Shin_s_Taekwondo__Counter_Maneuver
[0] 15 [Blocking] Single knife hand block [Counter-Maneuver] 
Left foot steps to the front-left(45o) while executing a right knife hand block, and a left ridge hand strike to the attacker's inner elbow. This will cause a bend in the elbow. The defender grabs the attacker's wrist and follows up with the advanced take down.
Tiger Shin's Taekwondo
Counter-Maneuver