BSR - Bernina Stitch Regulator- From quilting to thread painting to sashiko, a wide variety of effects that can be sewn using free-motion stitching. Even though the final results may look very different, most free-motion techniques are stitched in a similar manner. If you become comfortable with one, you can easily transfer those skills to another technique. The BSR (BERNINA Stitch Regulator) makes it simple for everyone to be an expert at freemotion stitching!