SmallRig HawkLock Cage for Sony A7R V A7 IV A7S III A7R IV A 1 Style:Cage could hang things firmly auspowers_batchtwo could hang things firmly wipe clean after each use How to Apply Dry Erase Dots Step 1: Clean your chosen surface with a damp cloth and dry thoroughlyStep 2: Gently peel the vinyl circle off of the white backingStep 3: Hold the mat with two hands and carefully fold each side upStep 4: Place the center fold of the circle onto the table first and then slowly release each side down one timeStep 5: Smooth thoroughly as you go to avoid air bubbles Read more TEACHERS' GOOD ASSISTANTS and improved disassembly and assembly efficiency you need to remove the shoulder strap hook on the left side of the camera first