Three of my cats like to hide under the bed and grab at my feet as I walk by. Braydee likes to run right in front of me when I'm walking - seems like he'd like to trip me. It's kinda scary when I'm getting ready to walk down the stairs. One day I was walking down the stairs with two full litter boxes and one of my cats ran in front of me on my way down the stairs - I tripped, but was able to grab onto the railing. I slid butt first all the way down the stairs, but not one drop of litter was spilt. I had a pulled muscle in my arm for holding onto the railing and a bruised butt but at least the litter stayed in the pans. WHEW