I4U NEWS reviews the X-Arcade Tankstick Arcade Controller
A quote from the article:
X-Arcade Tankstick Arcade Controller Review
In addition to the dual joysticks there are the one and two player buttons along with eight buttons arrayed near each joystick and a trackball that feels like it came right out of a Millipede game. There are also pair of buttons on each side of the Tankstick that are ideally suited for flippers if you are into pinball games.
X-Arcade Tankstick Arcade Controller Review