hard weights

Does anyone have experience threading their hard weights onto their cam bands instead of using trim pockets? I'm wondering if this would wear out the bands webbing over time? It would probably just be 2-4 1-lb weights every dive.

I just got 50 pounds of reclaimed lead shot for $65. It was sent Priority Mail, USPS. It took about four days to get it from the time I mailed the check. The shooting range it's supposedly from does not allow steel shot so there shouldn't be any (at least not very much) steel in it. They are...