RE: 3rd Arm tree arm
No, I've not had any problems gettingthe 3rdArmlocked down solid with heavier cameras, including Sony XDCAM and Betas which are approaching 18-20lbs fully loaded.
I've never seen a beefier arm, much less onethat usestwo straps. Who are some of these beefier arms you are talking about? I'd be interested intaking a look at them.
I know theHBSniper Prowell and have used it a lot. Ituses one strap for the base. That arm is the number one reason why I started looking for another solution to my tree arm problem. That's when I found the 3rd Arm and I'm glad I did.