I have a plastic spool adapter I bought years ago so my large spools of C&C thread wouldn't bounce around on the spool pin. It's called a ThingaMaBob, but I couldn't find one in a google search just now. I did however, find this, which is basically the same thing.
https://www.ebay.com/itm/Spool-of-Th...oAAOSwJ4hY~21-
Cari