Meltzer of Queens College and The Graduate Center of the City University of New York has no relevant financial relationships to disclose.) Jamie T Twaite MA (Ms. Twaite of Queens College and The Graduate Center of the City University of New York has no relevant financial relationships to disclose.) William H Krause PhD (Dr. Krause of Queens College of the City University of New York has no relevant financial relationships to disclose.)
There are actually several different types of loop stitches, and they all work a little differently. Chain Stitch The simplest loop stitch is the chain stitch. To sew a chain stitch, the sewing machine loops a single length of thread back on itself.
A 2-4 Thread serger - This machine has the capabilities of a true safety stitch and a two thread overlocked edge. Two threads are used on each operation and you can use the machine to create each stitch separately from the other. A 3-4 Thread Serger - A...MORE machine which can function with 3 or 4 threads. Either amount threads will have a seam with some stretch capabilities, however, a 4 thread seam, will give you a wider and stronger seam. Most of these machines also have a rolled hem capability, by changing of the throat plate.