I found The One! – Vintage Sewing Machines
Bobbin Winder Friction Wheel
Industrial Bobbin
Bobbin Saver - Canada
Sewing Bobbin Clips
Bobbin Case Class M
Bobbin Holder for Sewing Machine
Plastic Sewing Machine Bobbins
MousePadsPlus
20 PCS/Lot Mix Color Class 15 (A Size) Plastic Bobbins #X52800150
Bobbin Clips
Industrial Bobbins Sewing
Free STL file Bobbin clip for M-style bobbins (customizable
Juki Bobbins