Originally posted by mugsy
I would think that the stethascope may remind him of something that was used to beat him or something like that. I'm sorry he had to go through whatever he did.
That was the first thing I thought of too, Mugsy. Especially if he's never been aggressive to the vet or anyone before. Chances are it reminds him of a chain or strap he was beaten with. He feels he needs to protect himself. Hope the sweetie gets along ok.