to make it stain proof? I already own a Damier speedy because I'm a clutz. Been wanting a monogram speedy, but after the disaster w/ my Monogram Carryall, I've decided against all vachetta bags, lol. But I'm concerned the Mini Lin may not be as worry-free as Damier because of the fabric. So has anyone treated theirs w/ some kind of protectant, or leave it au natural? Thanks.