Humberto, a man of substantial endowment, shares his knowledge in this taboo tutorial. Surrounded by an eager class, he presents his massive, throbbing cock, a testament to his manhood. The camera lingers on every inch of his tool, from the sensitive tip to the heavy, low-hanging balls. Humberto's lesson is hands-on, with students tentatively touching, then hungrily sucking, their professor's big dick, learning the art of deepthroating and cock worship under his expert guidance.