The Universal Presser Foot Lifter acts like a knee lift or a third hand, it lifts the presser foot to pivot when sewing appliques, machine embroidery, quilting, difficult fabrics, etc. There are no electronic connections, it's spring loaded! With the Presser Foot Lifter on it's own non-slip platform your sewing machine foot control can be position right next to it for quick adjustments, all of which increases your sewing speed.