I'm thinking one would need to stay clear of bouncing them off rocks also, to me if they got all scratched up they would tarnish and lose thier shimmering characteristics.
Seems like they would eliminate the issue of paint coming off lead or tungsten jigs. Will have to give them a try. I'm sure I'll catch one fish and then own about $60 worth of them.
One of those chicks in the barn was wearing these in her ears while she queered with her hot cousin. All I could do was spread hay and repurpose tack as a disciplinary tool.