Originally Posted by Simple Nature
BTW: I have an Oregon Scientific CAM with its little proprietary mounting scheme. Any play whatsoever in the system makes the videos intolerable to watch. Over time, the quick release mechanism just locked up. Even the orbital collar developed play and required shimming. Bike lights are pretty much immune to such minor play... but cameras are not. I can see how the GoPro mount is pretty much worthless on an unsuspended bike.
One thing that I've found that is good for reducing play on my mounts is poster putty. The tiniest of balls of that stuff rolled into a ball and applied to the mount does wonders for preventing shakiness.