Been taking all the mylar off today using the "freeze Spray" Method, was very surprised how easy it comes off and didnt loose one speck of artwork 



I also used the flour and alcohol method to get the glue off that the mylar left behind:



Around the pop bumpers where there was a big piece of mylar, now taken off and cleaned:




I have a few inserts that are raised here and there, you can see in the last pictures between the bumpers.
Would it hurt to knock them back in with a block of wood ?