How do Mirage panels attach to the Monza?

Ken (mahoy78spyder) says: "The four Monza Mirage panels were screwed or rivoted in at the bottom, and then attached at the top using a plactic V-channel strip. The strip itself was rivoted every 2-3 inches to the fender or quarter panel, and then the upper lip of the Mirage panel was tucked in neatly underneath that strip, thus hiding the rivots and providing a nice-looking, seamless line across the top of the panel. Unfortunately, the urethane panels were prone to warping, and the V-channels were prone to drying out and chipping or cracking and over the years they deteriorated badly. [...] They are extremely hard to come by because no one wants to take the time to drill off each rivot carefully to save the strips. Most people just pull off the Mirage panels only and leave the strips for ruin. Unfortunately, your only option without those strips is to bond the top of your panel to your fender/quarter panel. Ironically enough, that is what Chevrolet did in one of their first attempts ...  more