@trevorflowers This interesting, but I'm not sure technically how one could match two similar keypads (assuming it is the same model, for aesthetic) because the evdev:input: identifier on top of the two hwdb files would be the same, and then the one with the filename sorted in last would overwrite the config of the first.
But it could work in theory with two differents keypad product (and probably require a lot of planning too 😅 ).