https://www.tapwithus.com/product/tap-strap-2/ https://www.tapwithus.com/product/tap-strap-2/ seems like a very pragmatic option, tech-wise - I'm not convinced

https://www.tapwithus.com/product/tap-strap-2/ https://www.tapwithus.com/product/tap-strap-2/ seems like a very pragmatic option, tech-wise - I'm not convinced floating will ever actually be good. Bouncing off a surface is extremely efficient, self-calibrating, and basically always available in some form (e.g. tap on yourself).