Dog runs off person finds dog, hits button and it call you.
Hey I have your dog.
Interchangeable face plates is basically the same as different color of dog tags
"I'm a dog chasing cars. I wouldn't know what to do if I caught one. I just *do* things. I'm a wrench in the gears. I *hate* plans." - The Joker http://pressthenyckbutton.blogspot.com/