Koken – 弧拳

Back of the wrist strike or (Bent wrist strike) – By bending the hand inward to the fullest extent, the wrist can become a powerful weapon. It can be used against the opponent’s punching arm as a block ( can be seen in katas like; Suparinpei, Sanseiru, Shinpa and… ) or to strike his face and etc.

koken-Tanzadeh