HOTAS (hands on throttle and stick) controllers, composed of a joystick and throttle quadrant (see below) are a popular combination for flight simulation among its most fanatic devotees. Most joysticks are designed to be operated with the user's primary hand (e.g. with the right hand of a right-handed person), with the base either held in the opposite hand or mounted on a desk. Arcade controllers are typically joysticks featuring a shaft that has a ball or drop-shaped handle, and one or more buttons for in game actions.