Crafting On the Go
It's not just that you have to manage to bring all the supplies, hide thread cutters from the TSA, and have something to do when you realise you've seen the entire selection of movies. The big difference, is the way people react to you.
In gifting my old iPhone, I finally found a good pattern to use on this plastic case. It was quite a good case, the piano motif delighted its recipient, and the entire pattern took me less than 8 hours. All in all, not a bad way to spend a day flying.