My son uses these for damping the vibrations of his tripod when making drum videos.
https://www.amazon.com/Gosky-Vibration-Suppression-Dampening-Telescope/dp/B012AFHMQW
Searched
sound isolation tripod vibration
and found this; I imagine there are other products
https://www.amazon.com/Gosky-Vibration-Suppression-Dampening-Telescope/dp/B012AFHMQW
you could get pads to reduce the vibrations. But could it also be related to the position the 8 was on the mount?