Originally Posted by butterflywing
they're little round elves made of teflon, that you put into your bobbin case onto the center stem, before you load your bobbin into it. it cuts down on the "whiplash" and you get many fewer tangles and nests on the back of your quilt.
p.s. just kidding about the elf part.
Thanks bflywing-bet they work great for FMQ; where do you find them?