My dogs are hoarders, anything that they like or can get there lil paws on. lil toy cars, oven mits, batteries,trash, shinny things, paper trash, silverware, i even seen a broom sticking out of there cage! How can i stop them from doing this? people can even take off there shoes in my house with the dogs going right behind them and burying in there cave. please help its sooo fusterating!