a c b a The Leg Flip-Lock a. Pull open the leg flip-lock and adjust to the required height. Then press down on the leg flip-lock. How to Extend Tripod Legs: Repeat step one to extend all tripod legs. Integrated Rubber Feet: The Hook: Antislip, durabile, and environmentally friendly Increased stability for outdoor use when wieght is added to the gravity hook. The Center Column a. Use the handle to adjust height. b. After adjusting to suitable height, use the center column lock knob to lock it. c.