SmallRig HawkLock Cage for Sony A7R V A7 IV A7S III A7R IV A 1 Style:Cage wipe clean after each use B0D8ZX459P 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 Materials: hardened nozzles Compatibility: SMALLRIG Quick Release Cage 4481 is designed for Sony Alpha 7R V Alpha 7 IV Alpha 7S III Alpha 1 Alpha 7R IV to provide mounting points and full protection Built in 2 HawkLock cold shoe can attach microphones