BERNINA Embroidery foot with clear sole #39C provides a clear view of the stitching area and is an expert in decorative stitch patterns, appliqué, and satin stitching. Ideal for buttonhole seams, appliqués and decorative stitches; superb effects achieved by couching perle yarns; sewing off-the-edge scallops and raised effects. Clear view of the embroidery area. For 9 mm machines.