Diving Board Corner Sphere (protect pool solar cover from snags)

The way my pool is situated, the only way to wind up the solar cover is to drag it over the diving board. This usually works well, but after a season or two the cover tends to snag on the diving board corners.

This thing solves the problem. It is simply a sphere several inches in diameter with a corner notched out. I put the spheres on the corners of the diving board as shown in the photo, and there is no longer a corner to snag the solar cover.

You may of course have to adjust the size of