Glass is glued to adjustable part then that screwed or etc to shell.
Tip glass up/down/sideways to see the 3 mounting points.
remove whole thing to look at back or fix whatever.
Shell is bolted to door w/ nuts inside of door.
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
The Ogre's Fiero Cave