This foot is for creating soft gathers in lightweight fabrics. The underside of the foot is raised behind the needle and has a thick bar in front of the needle to gather and attach a ruffle onto a flat piece of fabric simultaneously. Use a ruffler to obtain a more dramatic gather.

JANOME (Manufacturer) -> Feet (Accessory type) -> For sewing machines; For embroidery machines; For AcuFeed sewing machines (Function) -> Horizontal, 9 mm (Hook type)