This presser foot is used for sewing the edge of fabric while folding it twice to a narrow width (about 3 mm). It is used for finishing ruffles and handkerchief edges. The spiral guide of this presser foot rolls the edge of the fabric to create a narrow rolled hem. This presser foot can be used on light-weight to mediumweight fabric. Since the fabric can be uniformly folded twice without ironing, this presser foot is useful for finishing ruffles and handkerchief edges.