Vintage Singer sewing machine low shank 4 position ruffler foot attachment. This ruffler gives the option of a pleat / ruffle every 1, 6 or 12 stitches. It is compatible with low shank machines including the 15, 66, 99, 127, 128, 185, 192, 201, 221 / 222K Featherweight, etc. Very nice vintage condition, clean & rust free. Genuine, Simanco accessory, part #86642 or #120598.