NikolayS [CC-BY-SA-3.0], via Wikimedia Commons. The sewing machine can’t do a backstitch with a single thread as you might expect, it’s very difficult for a machine to pass the thread though ...

That’s how we feel about sewing machines. Sure, there’s a motor. There’s a needle and some thread. But how does the machine make a stitch? We always wondered, but after watching a recent ...