@Miaourt well I'd say I have a bunch of mechanical switch keyboards instead
I don't think I've ever seen a membrane switch board running on a decent firmware like QMK, you could certainly do it if you're handy with a soldering iron though
It's pronounced ʁaʁyʁe.
And written RaRuRe, or R3 for short.
You can find more infos on this place by clicking there.