Felt pads, cheap and easily removed. Not my idea, read about it here. I even bought some for my Norbauer build, but totally forgot about when I put it together. Personally, I kind of like double-slamming the space bar at the end of a sentence, there’s a note of finality that I appreciate.
I’m a weirdo.
Edit: found the link: The Heavy-6 (now resurrected in polycarbonate) - #381 by digitalmachinist