Do I really need a coverstitch machine?
If you sew a lot of knits, a coverstitch machine can be a massive time saver, not just when sewing hems, but also when topstitching elastic for activewear, swimsuits, and underwear, too.
What is a 301 stitch type?
ISO# 301 (Lockstitch): Stitch formed by a needle thread passing through the material and interlocking with a bobbin thread with the threads meeting in the center of the seam. … Stitch looks the same on the top as well as the bottom.