Best Quality F515 1/4 Loop Folder Industrial Sewing Machine with High Shank  (Pack of 1)

The F515 1/4 folder, also known as a loop folder or belt loop folder, is a presser foot attachment for industrial sewing machines that automatically creates loop strips or belt loops. It's used to fold fabric on both sides, then fold in the center, and stitch the edge, creating a loop. These loops can be used for various purposes, including drawstrings on skirts, pants, or dresses, or as trims on hems, sleeves, or waists.