This sewing machine accessory enhances efficiency on challenging fabric while fit on most standard household sewing machines Widely used for reinforcing jeans hemming, creating topstitching on jackets, and sewing through multiple fabric layered in decoration project or clothing alterations sew over thick feabric hemlines with this 2piece Hump Jumper Presser Foot Button Plate, to skipped stitching while maintaining smooth fabric feed The hump jumping plate balances your presser foot automatically Suitable for hobbyist and professional tailors working with heavy fabric like upholstery, jeans, or layered quilts project requiring precisely stitching alignment