Mcoplus A9 A7III L-Plate Metal Hand Grip Camera Holder Bracket Stabilizer(Removable Slide Plate) Compatible for Sony A9 A7III A73 Arca RRS Note:It couldn't open battery door directly. Suitable for Tripod ballhead,Monopod,Slider, Level Arca-Swiss. Standard 1/4 screw, quick release plate and camera bracket holder Easy to take video with this grip Compatible for Sony A9 A7III