-Rip your liner out
-Make a cardboard template of the shape you want for the hold. Trace it onto the hood with a sharpie
-Cut out the shape
- Make a box out of cardboard or wood(cardboard works best because you can contour it to the hull
-Cover the box in duct tape so the glass won't stick to it.
-Glass over 5 of the 6 sides of the box
-Pop the cardboard out of the glass once it cures
-Glass the backing cup to the hull
-Make a liner out of cardboard
-Cover it in duct tape
-Glass it
-Pop the new liner of of the duct tape
-Glue it back in with 5200 or glass
-Get some pool hoses and attach them for baffles
Easy as that
It truely is this easy. I got it done in 2 weekends at a relaxed pace and its MUCH cheaper than blowsion holds.