I enjoyed your deep dive videos into the a7riii body and grips. I am thinking of opting for the smallrig 2122D which has a leather grip and a battery accessible door on the L plate. I don't need the side plate, I only need it for the extra pinky grip so I will remove the side. I also just got the zv-e1 last year and I just ordered this cage for it. The cage makes the camera extremely solid feeling as well as the rubber grip that came with it increasing the heft and overall positive experience of using the plastic body camera. it now feels like more of a durable and rugged camera compared to the cheap plastic toy feeling of the stock body.