Fabric Feeding Aid for Buttonholes Also known as a Compensation Plate Tool for creating beautiful buttonholesOptimal fabric feed when sewing buttonholesOn thick, fluffy and elastic fabricsCombine with Buttonhole Foot with Slide #3A/3B The Fabric-feeding Aid for Sewing Buttonholes facilitates feed on thick, fluffy fabrics. To achieve this, the feeding aid is used in conjunction with the BERNINA Buttonhole Foot #3A/3B to create a buttonhole foot with an especially wide sole.The two plates of this accessory provide an additional feed surface, pressing evenly on the material. This lets you produce neat buttonholes with an even stitch pattern - even on challenging fabrics. Whats more, the BERNINA special sewing accessories range also offers a Buttonhole Leveler - a useful tool when sewing buttonholes on fabrics of different densities, as well as on fabric edges.