The first and probably the most commonly used box is a Side Mount Control Box. This mechanism has the lever for controlling your throttle and shift, a button easily accessible by your thumb for tilt and trim, a fast idle lever for starting, and a built in key switch. The lever can be switched to either side of the box so that mounting can be on the right or left side. These boxes give you a lot of options as far as to where you can mount them. I have seen them on the rail of pontoon boats, bass boats, the right and left side of consoles, or attached to the inside wall of aluminum and fiber glass boats. here