If a Hook misses its not a good Hook, plus you lose Oral stability. Any shot you throw you are open Biomechanicaly to the same shot.Most of the time its to do with the biomecanics of the Knees both of them thats where the power and Technique of the shot comes from, being balanced. If the fist goes past the back shoulder you cannot generate power. The secret is the angle of the back foot and turning it, as to stop the ears from working to hard and stability.