I have a mexican used strat(its barely used but anyway...) it looks like this...http://home.arcor.de/leutershausen/z/strat.jpg , and im having a little problem with my strap. When i play it sometimes falls off, but thats not all that fall off. At the tip of the body, left side on top, were the strap is held in place, that screw keeps the strap in place keeps falling out. I've tried replacing the screw with a longer one but still it falls out. Please help me!!!