Center Column Rocker Lift Design: The center column can be freely lifted, locked by the twist knob to capture a wider field of view. Quick Release Plate 1/4鈥� quick mounting screw, quick install camera Flip-lock Fast Locking System 3 sections, flip-lock design to release and fold the tube quickly Horizontal and Vertical Shooting Design 90掳 horizontal and vertical shooting design for different shooting angles Horseshoe Type Non-slip Feet Non-slip rubber feet for different complex terrain Center Weight Hook hang the heavy things, to prevent tripod from shaking