The wimberley sidemount head is a lighter compact alternative to the full wimberley head the main casting pan and tilt mechanisms are identical to the wimberley head however the swing arm and adjustable platform are replaced by a sidemounted quick release clamp this reduces nearly a pound off the weight and requires mounting the lens sideways as you do with the wimberley sidekick the same dual screw mounting configuration is used to attach the sidemounted quick release as is used to attac