On my Bernina 440 I use the utility stitch #8. It looks like a zigzag with a straight stitch on both sides. I position it with the the edge of the fabric just abutting the right inner edge of the presser foot. I move my needle all the way to the right and stitch. The edge sorts of rolls under just a tad. It does not pucker, it does give a clean finish. I use it on a single layer or multiple layers. It works for me.