I alternate beating Autumn’s asshole with a stick, and fucking a hot trailer hitch all the way in and out to keep it wide open. She comes really hard, over and over, from both. Eventually she takes a turn beating her asshole herself. Normally she can't quite get off that way because her coordination decreases as she approaches orgasm (which is some pretty fun frustration for me to watch). This time though, being able to watch the visual in realtime as she’s doing it boosts her turn-on enough to make the difference! Also, that sound…