I'm currently using zaag invisible shield on the steel band around my iPhone, but it gets really dirty along the edges, and I feel the cut could be better. Just looking for any positive reviews of similar products. I've had a look at wrapsol and bodyguardz, but both seem to have mixed reviews. Gone with a power support crystal on the screen and invisible shield on the back for a bit of grip, no problems with them. Thanks in advance, Paul.