This Dummy GoPro Hero 5/6/7 is a replica of the gopro shape and has options to simulate the weight or to make your drone float for water rescue of your drone.
Has a hole and plug to inset 32-33 pennies or another object to match the weight of the real thing.
This will allow you to maintain your flight characteristics you are used to without risking you camera investment when you don't want to record. Along with many other uses.
Easily fits into mounts used for GoPro Hero 8 cameras