That is a fascinating idea. Not sure how it works, but great concept indeed. I've been puzzling my mind on doing things to hide but understood by those needed.
Are those for sale somewhere?
It's just out of the factory, and we'll open a Geyser shop in a few weeks. Otherwise, you can go to https://penlock.io and find all the guides & components that you can print and assemble the DIY way. Open source and free of charge ;)