No, the tin could reflect into someone's eyes, & one edge could be ground into a knife blade.

The Barn Door Homeland Security has made sure that if there were a plane crash, and people survived, they wouldn't have the two really handy things to have: a knife or a way to make fire. Better hope the ELB wasn't damaged in the crash. <img src="/images/graemlins/frown.gif" alt="" />

Sue