The Convertible Free Motion Frame Quilting Foot Set is designed for use with the Janome Free Motion Quilting Foot. This set includes two feet: a 1/4" ruler foot and an open-toe frame quilting foot. These feet are designed specifically for when the machine is in use on a quilt frame. This set requires the foot holder and darning plate included in the convertible free motion quilting feet set, providing attachment and adjustment instructions.