Originally posted by Diane FG
Martingale collars are very important. Greyhounds heads are smaller than their necks, and if they back up they can back right out of a regular collar. A martingale collar tightens if this happens, but doesn't hurt them.

Hmm, would something like that work on a Pug with a big neck and small head? I really don't like Sylvia's harness, but I'm afraid she'd get out of a collar.