DIY HDSLR Shoulder Rig & Follow Focus

This is an ongoing and unfinished project.  I'm not sure when I will be able to finish so I wanted to get something out there for people looking to build there own setup.  

UPDATES TO FOLLOW

FIY:
The gears for the follow focus are from an Erector set.
The lens gear is a small drive belt from an old Xerox
The lens gear screw clamp hardware is from a quilt hoop