Pretty simple sounding, right? Well, it sounds simple, but it's not. My cousin and I were doing this, and it was really hard.
This is how it works. The person above you tells you what to type, and you have to type with your toes, or just with you're eyes shut, then you get to tell the person below you to type something.
Ex.
Person 1: Peanut butter.
Person 2: jbbtytfgtgfgt
Man, I like flowers.
Person 1: tfr ytfrytgyuy
And so on.
Time to get started.
Opalesence.