I bought this thing last year sometime at Walmart for about $14.00. The other cats pay little attention to it; Turvy will brush against it occasionally, more like just on the way past it.
Trace, however, LOVES it. I found out pretty quick that, missing a leg, he has a hard time grooming and scratching the right side of his face, neck and chin. So, I set this on his bench, and he figured it out almost immediately. He lay on the base rubbing his head along the bristles for nearly a half hour this morning. He really does like for someone to scratch his face for him, but now, if I'm not around, he has an easy alternative