Hi Just though i make this since i cant find any on YouTube. ( Like if you found this useful)
What you need:
1x Australian 20 cent coin
Weight 10-11g or similar
Diameter: 28mm
1x Australian 10 cent coin or simliar
Weight: 6g
Diameter: 24mm ( this doesn't matter as much mainly the weight is the important part)
Adhesive Velcro
Polar Pro Neutral Density Frame2.0-Hero3/3+
https://www.polarprofilters.com/shop/neutral-density-frame-filter-hero33/
The reason why you don't mount the 20c coin directly behind the filter is to distribute the weight. That's how an 10 cent coin is able to balance the filter and the 20 cent coin combined
This will not guarantee that your wont burn out but this will make your gimbal run a lot better than without balancing it