Originally Posted by onehundred80

I have found on some occasions that the straps that stick out the side through which the bolt goes through gets distorted and will be touching each other before the bolt is even tightened. It is a soft lead and easily bends, I just wedge a screwdriver between the straps and separate them and it now clamps. Using too much torque when tightening the bolt causes this to happen .
Keep the contact faces clean.