Nathan doesn't stop when you do. It pulses in and out fast on its own, and when you finish it's still going at the same depth and the same pace, ready to carry you through the aftershocks and into a second one the moment...

Jared slides in like nothing else. The shaft is smooth and evenly rounded, veins kept soft and flush, nothing raised to snag, so it glides balls-deep on the first push and pulls back just as slick. That effortless glide is what keeps you going....

Caleb does all the work. Switch it on and the shaft pulses in and out fast on its own, driving deep and holding a hard, steady rhythm for as long as you can take it, no tired arm, no pace slipping halfway through. What's...