Glide Gear BV500 Horn Video Camera Hybrid Support Shoulder Mount 15mm extendable rail system to attach lens hood, follow focus. Handles have 1/4 mounting holes for other accessories. System can be used as a shoulder rig or / The Horn camera steady rig. 3 products in one/ The Horn/ Camera Riser/ Shoulder Rig/ Made of Aluminum / CNC Machined Adjustable Camera Platform Height Hand-held Professional Camera Support