KALLAX Book Ends

These are a first go at some basic book-ends for our KALLAX. We have a number of books for our daughter, and the were starting to easily fall off or tip over. This was a quick project to help prevent any potential falling-book accidents. The main goal was simplicity, so you just use the existing screws/hardware to put the bookend in place and it's reasonably sturdy.
I would like to point out that **there are some issues**; specifically to prevent the rotation of the bookends you need to have th