Singer Bobbin Case (#45751) for Old Style Featherweight 221, 222, and 301

Here are some things to keep in mind when using a bobbin case:

• Always clean the bobbin case before inserting it into your sewing machine.
• Make sure the bobbin is inserted correctly.
• Wind the bobbin thread evenly.
• Thread the machine correctly.
• Adjust the tension on the bobbin thread as needed.

By following these tips, you can ensure that your bobbin case will work properly and help you create beautiful stitches.