Trying out the narrow foot set from @Patrick1 at Hennigan Engineering and Precision using a Cobra Class 4.  At just over 1/4" wide, the narrow foot set is about 1 mm (.05") wider than the in-line needle foot from Toledo Industrial Sewing Machine. Here I am letting the toe of the rear foot ride on the raised element to bring the stitch line closer to the raised element. Compared to the in-line feet, narrow foot set provides more even coverage of the feed dog and the needle is fully visible when s