An overlocker does not replace a sewing machine. Its primary function is to clean finish a raw edge, giving the project a professional appearance. Many overlocking stitches have built-in stretch, making them the perfect tool for seaming knit fabrics.

Is it worth getting an overlocker?

Overlockers are worth buying if you intend to make lots of clothing, sew with stretch fabrics and make professional-looking projects. Overlockers are not worth using for those who finish their seams with bindings or make home decors that don't require overlocked seams.

What is the difference between an overlocker and a sewing machine?

A serger or overlocker is focused on making an overlock stitch. ... On a sewing machine, you have to stitch the fabric together and finish the raw edges separately. A serger / overlocker can do other stitches too, like rolled hems and blind hems, but its main purpose is the overlock stitch.