The cover hem stitch is used by professionals as a hemming method. With the right attachments you can use it to add lace or trim to a hem (Lace Attachment) fold fabrics in a hem automatically (Hem Guide) and make a perfect wrapped edge (Wrapped Edge Guide). Use with Lace Attachment to perfectly edge lace Hem guide to easily measure the perfect hem or Wrapped Edge Guide for beautiful finishing.For Use with Janome Sergers: 1100D 1200D