The entire internet searched for this and was unable to identify it. I have no idea what this is, and neither do 90% of others.

So, if you stumble upon this mysterious Presto Aluminum Cheese Slicer in your grandma’s kitchen or at a thrift store, don’t pass it up. Give it a whirl, join the club of puzzled minds, and embrace the simple joy of slicing cheese the old-school way. It might be a mystery, but hey, sometimes, the best things in life come with a dash of intrigue!