FLYCAM Comfort Stabilizing Arm & Vest for Flycam 5000/ 3000/DSLR Nano Handheld Camera Video Steadycam Stabilizer up to 5kg/11lb | Stabilization Body mount System for camcorders Stabilization (CMFT-AV) BODY-MOUNTED VEST & ARM with 13/19/22 mm Convertible Spool Adapter for Camera Stabilizers and Gimbals up to 5kg/11lb ADJUSTABLE SHOCK ABSORBING ARM provides smooth & stable movements SPRING ELASTICITY ADJUSTABLE KNOB to change the amount of Stress ERGONOMIC COMFORT VEST accommodates all body sizes FOAM PADDED COMFORT VEST helps remove fatigue and muscle strain