Klasse Twin Sewing Needle provides you with the ideal solution to creating decorative, distinctive, and unique heirloom sewing and elegantly decorative top stitching on a variety of fabrics including woven fabrics, knits and synthetics. Attached to a single crossbar, the two needles allow you the ability to stitch two rows concurrently resulting in ornamental effects for heirloom sewing, pintucks, fancy hems, and other decorative effects.