BERNINA Longarm Stitch Regulation Master hand-guided quilting quickly with the assistance of the integrated BERNINA Stitch Regulator. The BERNINA Longarm Stitch Regulator is simple to activate and simple to customize using the machine’s touch screen. Set the stitch length as preferred for a variety of quilting styles. The BERNINA Longarm Stitch Regulator keeps the stitch length consistent even at variable stitching speeds. Choose between three stitch regulation modes, including a basting mode or a fully manual mode.