This presser foot is used for stabilizing stitching 0.06 (1.5 mm) to the right of a thick seam. It is useful for coverstitching. By guiding the fabric along the left toe (guide) of the presser foot, stitching can be sewn 1.5 mm from the thick seam. Since a spring moves the guide up or down, this presser foot can be used with a wide variety of fabrics, from lightweight to heavyweight.