I wish I could remember where I put the worn out 1/2" one I set aside for cleaning the mud from the holes I drop the cane rods into for our gates; they fill up and the cane rod won't go down far enough.
I was discussing this with my wife, and she said how about welding them to an old saw blade radiating out from the center and mounting it on a post, high enough so you won't run into it.. Yard art, it "might" look like the sun. Sounds like a doable thing for me, I guess I just need to ask the right person the right question, I can see it now appearing on CBS Sunday Morning show?