hi deb i have one that i brought from tv shopping show oh many moons ago, it use,s 4 threads cones ,i've nerver used it yet ,1 thread came undone and even with direction book i still can't thread it right to use it, maybe one day when i get the nevre i'll give it another try :-D ,deb if you're looking to buy one don't spent to much on one ,my i paid under $175 for it