Watch and learn about several of the different bobbin sizes, what machines they work in and how using the wrong size can affect your stitch quality.
Bobbin Shapes and Styles
Understanding Different Bobbin Sizes, National Sewing Circle
White Sewing Machine: The Supreme Guide to History Models Value - Cotton & Cloud
First Machine Brings Back Memories
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Understanding Different Bobbin Sizes, National Sewing Circle
About Sewing Machine Bobbins & Bobbin Cases - Sarah's Workbench
What is the difference between pre-wound bobbins and thread on a spool?
Understanding Bobbins: What You Need To Know
Understanding Different Bobbin Sizes, National Sewing Circle
Understanding Different Bobbin Sizes, National Sewing Circle
Proper Bobbin Use
Class 15 vs. 15J Bobbins: Are They Interchangeable?
Bobbin Work, National Sewing Circle
About Sewing Machine Bobbins & Bobbin Cases - Sarah's Workbench