If you can remember what this is, then you know the difference between belt drive or direct drive. I had a Direct drive that I would put a disc on the table, place a light bulb above and adjust the speed to where the disc appeared to just start going backwards.
There are a few ?????able people that use a piece of baling wire for a car antenna,maybe cell phone or ??? antenna on the other side of the pond. Maybe just to make someone ask watizzit?