Sony RM-X57 CD changer controller holder

This is quite niche and it isn't a complete kit, but it is a suitable positive holder of the remote commander (RM-X57) for the Sony RF CD changer kits which included this controller. I used one of the prototype pieces of the holder to use as an L bracket to slip over the top of my ashtray, with that piece then super glued to the back of the holder. Spotify/Qobuz via Apple Carplay/Android Auto has let me down too many times, so I decided to retrofit my old Sony RF changer (CDX-505RF in my case). Only issue was how to mount the controller without just using hot glue or velcro.