I took a serger class a couple of year ago after purchasing a used one from CL. The instructor was excellent. One of the points she stressed over and over, was to write down the various settings for different applications. Provided a 'cheat sheet' of sorts for the various typical serger techniuques; rolled hems, t-shirt edges; pillow cases, etc. I would think the same principle would be invaluable to those that do FMQ, particularly.