Lockstitch is the most common type of stitch made by a Sewing Machine. The term “single needle stitching”, often found on dress shirt labels, refers to a lockstitch. A lockstitch sewing machine uses two threads, one in theneedle and the other in a bobbin.

Lockstitch is the most common type of stitch made by a Sewing Machine. The term “single needle stitching”, often found on dress shirt labels, refers to a lockstitch. A lockstitch sewing machine uses two threads, one in theneedle and the other in a bobbin.