Serger thread typically has only 2 strands twisted together instead of the 3 strands that are usually in 'regular sewing' thread. That's why it isn't as strong. I have so much of it in so many colors, that I use it all the time for 'thread painting' or applique or decorative stitches on crazy quilt projects. I use it for basting too. Any place where you don't have to rely on it to hold fabrics together. The 'wooly' serger thread is really fun to use! . I also still use it on my serger..... lol