"I know there's a way to make skins waterproof - like, water beading up on them and running off waterproof. That would be useful for winter. But I'm not sure what that way happens to be. So if you figure it out, let me know, alright?" She grinned at him lazily. "And you don't smell particularly bad to me, though I could just be used to it. Hey, isn't... I think it's called vellum? made of animal skin?" She looked at him curiously, figuring he'd know since he did the library thing.