Blue tack in the corners of the panel absorb the vibrations...
It exactly won't absorb vibration but takes away slack and prevents loose rattling.Blue tack in the corners of the panel absorb the vibrations...
Increasing mass lowers resonance frequency and might lower it below frequency of vibration source. (also with same energy heavier object vibrates less)mine used to do this, but as my case has got more full it has seemed to stop![]()