Color Changing Socks by Amanjit Singh

Color Changing Socks by Amanjit Singh
  Works with ALL socks. Resets in seconds. What else do you want?!
Walk down a busy street and be ready to fool complete strangers with this incredible secret.

Why Color Changing Socks?
1) EASY to perform.
2) Perfect ICEBREAKER.
3) Can be done with ANY pair of socks.
4) Ultra-fast RESET.
5) Your shoe and shoelaces are left FULLY INSPECTABLE.

Runtime: 3 minutes.