I remember having a discussion with one of my fellow
students about defending a knife. I said to him that it depended on
the angle of the attack. I got intervened, "no, distance".
Kote nage dori
Zu dori
Hiki tate dori
Shihan Ishikawa 8th dan demonstrated 2 days in a row
at the Budogala in Rotterdam, Netherlands in 1984..