From the outside, a sewing machine is a wonderful bit of magic. A needle shoves thread up and down, and somehow a seam is formed. Here's a little YouTube video of this: What is that thread ...

Now if you're still on the fence, here's the part that may make it all better: to do this sort of work requires an industrial sewing machine.

There’s a needle and some thread. But how does the machine make a stitch? We always wondered, but after watching a recent video from [Veritasium] we can at least claim we have an idea.

But was the machine’s work inferior? After all, the gears and needle emulate the motion of a hand sewing from muscle memory developed from practice.