I learned how to crochet when I was 10 years old.
Later when I worked at an Activity Center with developmentally
delayed/disabled adults, one girl showed me how to crochet
without using a crochet hook. That was how they made the
fish nets, she said, when she lived in the big facility. Also,
it helps to know how to crochet without a hook, because
then-----you don't need a hook. It can't get lost or stolen.
Recently I saw at the library an entire book on the subject of
Arm Knitting. Someone may like this. The projects
look too loopy to me.
Also, once you have your arms all wrapped in yarn, I hope
there is no need for you to quickly get up and do something.
Maybe the yarn just slips off easily. I am going to have to
look at this again. That's what I do when I see a recipe that
sounds absurd to me, or some other idea that strikes me as
sort of 'off.' I look at it again.
http://www.diyncrafts.com/8532/fashion/23-insanely-clever-arm-knitting-projects-techniques