An overlocker, sometimes referred to as a serger, is a machine that uses several threads and two needles. They trim away excess seam allowance and frays as they sew.

Free-motion quilting, preloaded alphabets, and hundreds of stitches—today’s sewing machines do more than stitch in a straight line. By Carol Benton, By Stacey L. Nash Updated Oct 13, 2023 12: ...

"Merrow sewing machines are the original overlock sewing machine," Charlie Merrow said. "What you're wearing has a Merrow stitch in it." ...

A serger, also known as an overlocker, is a type of sewing machine generally used in apparel making. It has two needles and uses up to four strands of thread at a time to create the loops and ...