BERNINA Embroidery foot with clear sole #39 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; simultaneous sewing of reinforcing thread or elastic thread. For 5.5 mm and 9 mm machines.