Originally Posted by zapvor
or use your body!
Without a doubt the worst thing you could do on a lockout machine. Wen the tensioner locks there is no more tension being pulled. S on a lock if you hold the frame with your hip while moving the clamp if the racket is not held in the exact position it was in when the tension locked out you will have erratic tension on your string. If the racket turn in one direction the length of the string gets longer and the tension goes up. If the racket turn in the other direction the string gets shorter and the tension goes down.