I have a huge dry erase board near my desk at child-height. The wall still gets scribbled… It is like designating a graffiti wall in a city, it only helps a little, the other walls still get tagged.
It also bears mentioning that she seems to have skateboarded sideways for the entire panel. Assuming the cartoon physics still, I am actually surprised that the skid marks aren’t on fire considering how fast she must have been going.
Get R&D to merge Ed with Woody Woodpecker. You might get two normal workers. Or one huge anti-matter explosion…