EZ Snap™ Wall Contraptions are used when your wall again plate has been completely eliminated. EZ Snap™ Wall Contraptions receives your EZ Snap™ BaseBoard Cowl and retains your aluminum fin copper tube coil heat exchanger from sagging. These completely change your wall back plate. To put in, slide up from the underside and ensure the top is at your desired peak. Screw to the wall, then bend the front finger up to carry the fin tube in place.