Okay round two pictures
Remove that metal piece sticking out. Then insert the 3 plastic square pieces here. Hold onto those 2 black screws you will be reusing one of them.
You can see where the black screw goes in this picture.
Self Tapping screws here
If you got power window ones and have manual crank windows, its okay you need to make a 1 1/2" hole. Hint...keep drilling small 1/8" holes until you hit the center
Success! You now have more sound deadening material and map pockets.