Wedge It In
You will be surprised to learn that Kleenex is useful outside of the bathroom as well. As a matter of fact, you can teach your child to write using some tissue paper. Wedge it behind the two fingers to ensure correct writing form.
Grippy Socks
Use some puffy fabric paint if you wish to add some grip to socks! This is one way to avoid accidents. After all, this will prevent them from falling down.