Penny is ten now and the arthritis in her hips has really started to show. She used to go to the box in the hallway without a hitch, but lately she hesitates at the edge, sometimes just staring at it. I've cleaned the box twice this week and we switched to an unscented clay litter, which she seems to tolerate fine, but the physical act of stepping up into the tray is becoming a struggle.
I am looking for suggestions on how to make the box more accessible for her stiff joints. I don't want to just lower the sides; I need a solution that helps her get in and out with less pain. Has anyone found a specific modification that worked for their senior cats?