>>271259472
touch controllers are basically 
>take a generic console controller design
>place buttons and sticks in a mirrored configuration
>split it in two
>profit

it is literally genius design. It doesnt reinvent the wheel like the vive dildos tried to do, and even the knuckles are missing a bit of the ergonomics, though they definitely learned from oculus, especially this

>>271259583

And the knuckles is essentially just built upon that as a foundation