AW Film Movie Video Making System for DSLR Cameras Video Camcorders with Follow Focus Matte Box Shoulder Rig 1/4" Screw thread, Compatible with Most DSLR/VCR * Double-handle Allows More Stabilization Adjustment Clamps To Personalize Users Comfort Zone * Gear Drive Design For Accurate Movement Features: Heavy Duty Aluminum Construction * Flexible Designed, Adjustable locking System Non-slip Rest Pad for Comfortable * Shoulder Brace Reduces Camera Shake And Vibrations Also for Left-hander User * Simple To Use, Sets Up In Seconds