When you have to attach thin trims to your clothes or other sewing projects there is no other useful sewing machine accessory than this. You can easily attach trims like thin ribbons, ric rac trims, ...

Couching is the art of attaching other fibers to a fabric with little stitches. Any fiber – different types of yarn like hemp yarn, ribbons, embroidery thread, cord, zardozi thread, or even beaded ...