Attend,or employ a video/camera phone in a 'pointy' mess bar at happy hour and you will probably get all the hand configurations you need
However, if you use the audio function, it may be spoilt by a high pitched screaming which sounds like - "Meeeeeh, Meeeeeh, Meeeeeh!
How do you spot a pilot in the bar?
He walks through the door and say's "Hi everybody, I'm a pilot"