Screw-On ZigZag Foot
Genuineric presser foot.
Picture is just a representation of the foot for sale.
The basic Zig Zag foot is mostly used for your everyday straight and zig zag stitches, but the wide needle hole can also sew applique, joining, smocking, fagoting, elastic, shell tuck, and decorative stitches.
Will fit most low shank snap-on machines.