If you're looking to add a substantial number of mounting points to your camera, you may want to investigate a cage. Offering protection and helping distribute the weight of your attachments, this can be a great option.
Add accessories and secure your HDMI cables with this cage from SHAPE, designed for the Blackmagic Pocket Cinema Camera 4K.
The SmallRig CCS2416 cage for the Sony a7s III mirrorless camera provides versatility with additional mounting options.
Cage mount hire for the Panasonic GH5 camera