We got a long fabric shower curtain for the hallway bathroom and hung it up right away. Unfortunately that night I awoke to a crash and the pitter-patter of kitty feet. The next morning, this is what I found:

I hung it back up and so far there hasn’t been a recurrence. I suppose having your climbing surface cone crashing down may deter you from trying to climb it again. It’s good to know that we have some climbers in the house before I try hanging real curtains though.