I used to keep all my yarn crochet hooks, thread crochet hooks,
and double pointed needles in Tupperware bowls.
Well, (eyebrow raised), not anymore!
These handy, dandy rolls of squishy, squashy crochet now hold everything
wrapped up in a neat little square knot.
You can find the pattern here.
Here's my posted project on Ravelry.
They do end up being a trapezoidal shape. But when it's just for you, meh, who cares, right?