Netherton gingerly settled the controller across his forehead. It fit as worryingly well as he’d assumed it would. Closing his eyes, he swiped the tip of his tongue across the backs of his upper front teeth, right to left. The resulting feed was the sort of squashed circle sometimes employed in older full-surround devices. Its lower, thicker half showed the view ahead, the upper, narrower half the view behind. On the lower half, the simplest possible game space. Featureless blue sky, a horizontal plane of yellow, gridded to the horizon in black-lined perspective.