Knitted Hats

Knitting hats is pretty much instant gratification.  If you make a mitten, you have to make another.  If you make a sock, same thing.  A bored knitter, or for that matter an adventurous one,  can create mismatched pairs.  Still, such things must happen in twos.  But not hats. It also helps, paraphrasing Elizabeth Zimmermann, that [...]