The photo/video mobility accessory OEM SmallRig's latest range of products is made for Panasonic's latest Lumix GH6 Micro Four Thirds camera. Its flagship is the Black Mamba, a cage designed to help the user grip and carry their new mirrorless unit in a number of ways, by the kit's top handle included.
https://www.notebookcheck.net/SmallRig-announces-the-Black-Mamba-cage-kit-for-the-new-Panasonic-Lumix-GH6-camera.605699.0.html