(Part 1 - Click here.)
(Part 3 - Click Here.)
ServoCity also has 3/8" screw plates to attach directly to the tripod base without ball head.
I was able to mount the control knob for the potentiometer, Foward/Reverse switch, and circuit board to the lower channel. The battery is attached via velcro.
The video below shows the slider in action. I've used different camera arrangements showing that the slider can be used in a dual camera arrangement as well as pull a dSLR vertically. I will probably use this with my Sony NEX-5 in combination with a GoPro most of the time. I don't plan on using it for video due to the 1/2 RPM motor, but that could always be swapped out for a faster motor.