The Overcast foot enables you to sew a stitch similar to an overlocker machine. remembering that it does not cut the material like an overlocker. fits most 7mm and 5 MMM sewing machines
The overcast foot is also known as an over-edge or over locker foot. It is a magical little sewing machine foot that can give you an edging similar to that of an over locker with just about any sewing machine. ... Most sewing machines have at least a couple of stitches designed to sew over the edges of fabric.