I've also been thinking of getting one of these, but I have a different problem (sorry for the thread hijack): which one to get? I don't even wear a watch because I don't like things on my wrist, banging around every time I put my hand down. On a hot day, I doubt I'll be comfortable with the dog tags sticking to me. I was thinking the ankle style, but wasn't sure if it rubbed or impeded the natural movement at all. So what does everyone here use and how does it work for you?