OK, so I was SOOOO tired of the RD falling in my lap when the suction cups let loose, that I decided to try a hard-mount. First attempted used rearview mirror adhesive, but because my mounting point was on the bumpy ceramic tint strip, that didn't hold. So I tried Gorilla glue. This is my end result:
This shows the original mount and the newly glued mount:
Here's just the mounts:
And this is what it looks like from the outside:
I like it MUCH better so far....stealthier, and more secure.