This is a follow up video showing how I mounted the heavy 4 pound weight I purchased to the Gini Shoulder Rig. With a spare dog bone clamp, a straight hole through both items, I was able to run a bolt and a clamp knob to hold it steadily in place. The original article can be found here: http://cheesycam.com/diy-counter-weight-solution-for-shoulder-rigs/

Aqua Black Vinyl Coated Lace Thru Style Hard Weights - Black