I have a 20 year old, 4-thread White Serger. I don't use it all the time, but find it very useful for bib cloths, receiving blankets, cool wraps for your neck, and especially pillowcases. I serge long strips for sub-cuts - it's great for the rail fence pattern. While not a necessity, mine is a real workhorse and makes a really sturdy quilt for my lovely grandchildren!