Free Motion Spring Foot (Metal) Best for Zig Zag, Darning, Quilting Will Fit All Low Shank Snap on Sewing Machine Free Motion Spring Foot gives clear visibility when doing free motion quilting or embroidery. Because of the open front, you can easily do stippling or follow a design in the fabric. The spring action keeps the fabric from lifting with the needle as the stitch is being formed which helps eliminate thread breakage with specialty or heavier threads Free Motion Metal Foot offers excellent visibility and control Perform stippling, meandering, and thread painting techniques....