I have an Elna Serger. It is the pitts to thread, but I just used it today to hem new pants. I hem my husbands Jeans on it, my 2 sons, my great grandsons. I wouldn't be without it. I also tie different colors on and pull it through. I think I paid 79 dollars 25 years ago, and I know they are much more expensive now, but if you will use it, it's worth it.