felt ironing board cover_round fitted table covers

Conclusion

The Versatility and Advantages of Cylindrical Bed Sewing Machines

Limited Stitch Options:

3. Interlocking with Bobbin Thread The bobbin case, which holds the bottom thread, is designed to catch this loop. As the needle continues to move up, the loop tightens around the bobbin thread, creating the lock stitch. Once the loop is locked in place, the needle continues its downward motion, pulling the newly formed stitch tight against the fabric.