Curses, foiled again!!!

Just as I was sharpening my teeth on some hay, ready to start stripping off the new wallpaper, THE 2-FOOT WITH NO FUR ON THE TOP OF HIS HEAD HAS PUT SOMETHING IN FRONT OF IT TO BLOCK MY WAY!!!

Apparently, this mystery stuff is called purr-spex. You can see through it, but you can't get past it grrrrr