My parents had an Old English Sheepdog who was a terrible chewer. His favorite appeared to be drywall and he'd eat any protruding exterior corners. This is not good in a rental house.
He was poorly trained all his life; my family had been "cat people" until this dog made my mom feel safe and gave her a companion when my dad became seriously ill. The only person he obeyed, ever, was me because I wouldn't put up with his bad behavior but would reward good. If I'd lived there full time, it would have been good for the dog, who would drag my mom, literally, during walks, jump on guests, knock my ailing father to the floor, and so on.
It's incredibly frustrating when an animal is destructive, but I agree, it's not the animal's fault. You need to protect your stuff, first off. (And insure what's left, maybe?) Consider a trunk or footlocker, a file cabinet, or other dual-duty additions if you don't have a safe place to keep your instruments.
Whoever's dog this is needs to get serious about training and making sure the animal has enough to do, or give it to an owner who will.
Maryn, so sorry to hear about the loss
I LOVE Labradors.
