A wonderful A1 Dealer Jen Alexander has produced this short video on how to adjust your backlash spring on the size M bobbin case. If, after making adjustments it still does not produce a stitch that you like, then I strongly suggest removing it completely and replacing it with our
If your bobbin case has been damaged beyond repair then it might be time for a new one! They don’t last forever…
Invest in a Towa pigtail bobbin case to replace your current one.
