Made when I was makin a mockup of a Dual Shock 3 with a track ball instead of the right joystick.  I know the first think you think of is "WTF A TRACKBALL??"  But, the idea comes from the nature of a track ball's motions more closely emulating a mouse than a joystick, so I thought a controller with a track ball on the right could have massive potential for shooters. 

I decided to submit the regular dual shock though.  Thought I'd be able to use it as an avatar, but meh.  Too big!

If I was only Ben Heck, I'd be able to build one :/