What a great idea! My biggest problem when I first got my boys was the carpet damage those little nails can do. Solution? Plexiglas instead of a door (so they can see what's going on elsewhere) and a small piece of carpet runner under it in the doorway. Now, if they scratch, which is rare since they can see, they can't do any damage! Plexiglas has been my ferret-mess panacea. I also lay a piece under the litter box corner, for when they miss the box and hit the newspaper. Definitely a must if you rent and want to see your deposit again! Jenn and the Jersey fuzzbuckets [Posted in FML issue 5212]