Janome Rolled Hem Foot (4mm) For 9mm Max Stitch Width Machines. The hemmer foot, sometimes referred to as the rolled hemmer, is used to stitch the narrow rolled hems usually found on shirt tails, table linens, and along the edges of frills. The hemmer is designed with a scroll shaped feed on top and a straight groove on the underside which determines the width of the finished hem. Makes a double 4mm fold hem. This 4mm foot will allow for the use of heavier fabrics. Fits Janome models : MC15000, MC12000, MC9900, MC8900, MC8200, Skyline S7, Skyline S5 Janome part # : 202081007. Genuine Janome parts.