Jays,
I as you know have the Simmonds mounts. They are screwed directly to the leather. I didn't cut through the rubber.
They don't move at speed. The car is a 97 +4.

Mr prior car a 94 4/4 had standard mounts done similarly and t
they also didn't move.

John

JohnV6
2022 CX Plus Four
2025 MG ZS EV aka Trigger