The addition of the Top Handle Pro from 8Sinn allows you to comfortably use the Cage for Sony a7R IV in low-angle shots as well as to mount more accessories. The right grip of the cage is designed to ergonomically blend with the camera's handgrip and allow for a comfortable hold of the camera. The cage is designed from a single piece of aluminum to ensure optimal build quality. It provides access to all ports, slots, and controls of the camera and also offers a slot on the side for securing an optional wrist strap.

The cage features 1/4"-20 and 1/2" accessory-mount threads and a built-in shoe mount on the top left. The top handle additionally provides 1/4"-20 and 3/8"-16 threads, two more shoe mounts, and a 15mm rod port. One of the top handle's shoe mounts faces downward to allow additional flexibility. The top handle has a quick release NATO rail mount design. It ca