Peavytailor Little Genie Magic Bobbin Washers, Sewing Machine Bobbin Cases 12 Pack, Shims Elf for All Home Sewing Machines

Sewing Machine Bobbin Washers Super Slippery 12 pack . The perfect size for all home sewing machines . Can help with bobbin clatter or looseness of bobbin that causes bird nesting when embroidering or stitching at full speed. 12 Pcs Super Slippery Teflon washers in pack Eliminates backlash & bird's nests on the underside of your quilt . It fits all domestic machines,These slick space age washers eliminate the backlash in the bobbin when changing directions at high speed. Backlash creates "birds nests"in free-motion quilting and embroidery. Just drop a Super Slippery Thin Washer in the bobbin case, replace bobbin and you're good to go! Peavytailor profession provides the best protection to keep your vacuum and sewing machine working in prime condition at all times.