Zigzagger - Chadwick fits the Singer Featherweight 221 and 222 (vintage)
With a simple adjustment on the back of the unit, you can create a wide zig zag or a narrow zig zag. Also by adjusting the stitch length on your machine, you can have a long stitch or short, satin stitch. You can zigzag over cord as well. Fits all low shank sewing machines such as Singer 15,66,99,185, 192 201 221 and 222.