This Ball Head from Shape is a compact ball head with a load capacity of 5 lb. It can rotate 360° and has a locking knob that controls all motions of the ball.
The ball head can be mounted either to a camera's hot shoe, any cold shoe mount, or any male 1/4"-20 mount. It has a male 1/4"-20 stud on top to mount a camera, monitor, microphone, or other gear.