If you're curious how to crochet on flip flops, this post will answer all your questions including if they fall apart over time. Great free tutorial on how to get started crocheting shoes and boots for spring, summer, fall, and winter.
Judy's Magic cast on for toe-up socks -- very clear instructions for both circular needles & double pointed needles. Also check out circular needles. go to site and search for " WIP Wednesday: toe-up socks!