[abbie's mom]

Originally Posted by concretegurl

No.
Never.
ID Tags on D-Ring of harness, and microchipped to boot

If I did use a collar on my dogs (which I won't) I'd use a cat break away collar.

....Ditto here! I haven't read all the replies; so forgive if I am repeating. Too much chance of tracheal break down with collars on delicate little necks.