The rubber gasket has now been fully inverted and is only attached by the speaker grill to the front of the Punk housing

The speaker grill is attached via four (4) locking tabs in the housing. There are four relief openings. One on each corner of the housing.

Use a spudger or similar tool and insert it into the opening. A little inward push with the spudger will release the grill.

Once all four tabs have been released, the grill and rubber gasket will simply come off.