But by "attaching eyeballs to your hand" i though he meant decoupling the camera from HMD tracking and attaching it to the controller tracking. Like you move your hand and the view changes. Something similar to The Pale Man from Pan's Labyrinth [1].
Research shows[2,3], that brain adapts to the unusual perspective quite fast. So technically, after a while, the brain should accommodate and it would start feeling "natural".
