That's what I was thinking Grammy. If they bite it or bite and slobber, sizzzzzz zap!
I wouldn't do it, but then, I'm a paranoid, safety freak.
There is always goose down, wool, thinsulate and all kinds of warm things...if your dog really is cold.
But your mind set, Miss Ashby, is right up there with the rest of us who love our dogs and want to make sure of their comfort at all times. LOL.