Review (3/5): Very stiff bristles
I think the idea of these is great, but the comb part is very stiff. It comes with fine, almost powdered, catnip to put in them, but the slots on the back to pour the catnip in are very small and most of the catnip didn't make it in. Fluffy catnip wouldn't get in at all. One cat rolled near it because she liked the catnip but wouldn't actually play with it, and the other cat sometimes plays with it like he does his other toys.