Problem: Spot loves to roll in the mud, and he loves to ride shotgun. While you don't love either activity, you especially dislike it when he does both.

Solution: The Bauer Doggon' Pet Barrier ($70, www.stacksandstacks.com) keeps your pooch — muddy or otherwise — safely contained in the way back of a wagon, minivan, or SUV. And in the event of a collision, it keeps him from becoming a projectile.