If you're one of the crazy ones who doesn't use the trackballs and they get in the way, why not replace them with these? (I've moved my whole operation over to DCTLs)
These rings still allow to control the Y channel by interfacing with the outer ring. For added security, glue one or more 3x5mm (diameter x height) cylindrical magents to the premade holes that will secure it to the mini panel.
The author marked this model as their own original creation.