In the privacy of his room, a curious man experiments with the art of urethral sounding. He gingerly inserts a 13mm metal rod into his cock's eye, gasping as it glides deeper, stretching his urethra. The sensation is intense, a mix of pleasure and pain, as he explores the limits of his body. Preisselbear's lens captures the intimate dance, as the solo boy, hard and leaking, pushes further, chasing the ultimate high.