What could make a ruler work foot easier to use? Improving on the existing design of the Adjustable Ruler Foot with Slit # 72, we’ve added a small slit on the side that lets you pass your thread(s) quickly and easily under the foot when you start a ruler work line of stitching. A small thing that adds up to a big convenience… every time you start stitching. So the ‘S’ in the foot name stands for ‘slit’. The same qualities that make Foot #72 so useful are also found in Foot # 72S: solid fence and