knife fighting 단검술
hold the folding knife with the reverse knife grip and push the blade to check it on the wrist of the opponent holding the folding knife 폴딩 나이프를 리버스 나이프 그립으로 잡아서 폴딩 나이프를 잡고있는 상대의 손목을 체킹하는 칼기본동작 i don't want you to do follow this it should be very dangerous to you
