Have a look at what Sally has to say over at bolt neighborhood about double needles. She has demonstrated their amazing abilities in all of her knit classes at MD. The experience of using one of these twin needle wonders is thrilling for the sewist and results in professionally finished garments even for beginners.
Sometimes discovering a new tool is as simple as asking “hey, what is this for anyway” and please know, that we are happy to help. We have some crazy pressing equipment, never before seen notions, and a large array of presser feet for our machines and are always happy to show you how they work.