Nippo (Double Fold Folder) (Tape Width, 18mm) 9mm Upward Feed, Without Presser Foot For use with industrial single-needle lockstitch sewing machines. ● This is for the body and feed dog only. ● This folder requires replacement of the included special needle plate and feed dog. ● Cannot be used with compound feed, walking foot, or needle feed sewing machines. ● Although designed for medium-thick fabrics, it can also sew regular fabrics. ● The folder is attached to the needle plate, making curved sewing easy. ● The presser foot is currently Teflon, but it was metal before. It may also be possible with a four-fold binder presser foot?