Fortunately, she'd had an idea for this moment long ago. Vert leaned forward, planting her elbows on either side of his head, letting her hips move with a bit more control without all the weight on them.

And, more importantly, letting her breasts hang down to smother his face. Sliding easily over the smooth satin barrier, hr ended up buried in her cleavage, her breasts like warm pillows around his head. Enough to muffle his noise as she continued, but not enough to stop him breathing, even while unconscious.