Prospec Imaging DSLR Offset Shoulder Mount Kit with Follow Focus and Matte Box The Prospec DSLR Rig is a comprehensive kit that contains all the necessary features for converting your HDSLR into a professional video rig. The DSLR Shoulder Mount Kit can be configured in a number of ways to meet your specific filming needs. At the foundation of the kit is the adjustable camera baseplate which is a quick-release system for securing your camera The included camera plate can be easily swapped between the DSLR Shoulder Mount Kit and standard video tripod heads.