Oh, he's going to be absolutely sick with embarassment next time they meet. (He probably will use the ripping thing, though it most likely won't work. Complicated canon-magic envolving thick steel, powerful and very old magic)
So expect an even more damaged Random (possibly not so hot on the 'trusting' thing, either. Though it's not Ravens fault. And crying. Lots of crying.
I'm not intentionally evil to my pup. This does have a basis in canon (which is why I can't use the 'tear' thing.)