SmallRig HawkLock Cage for Sony A7R V A7 IV A7S III A7R IV A 1 Style:Cage wipe clean after each use B0DK1NFLD9 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 Our round plastic hole plugs are designed to stay put The bottom HawkLock quick release plate for Arca is compatible with DJI RS 2 RSC 2 RS 3 RS 3 Pro button and the replacement of battery