Originally Posted by quiltingsavta
I also use the pre-wound for embroidery and then wind my own for other sewing. It's true, less bobbin changes and that's important when you are doing a big design that can take over an hour to do.
I agree. I use them exclusively for embroidery. There is way more thread on them than you could possibly wind on a bobbin yourself. I value my time too when I am embroidering a large design. I guess that is why they have so many choices!!! :P :P