Mastering his micro penis's unique dimensions, John delves into the depths of urethral play. His homemade drill bit, crafted with precision, slides into his tight urethral canal, stretching and filling him in ways few could imagine. John's moans fill the room as he explores his limits, the drill bit's gentle rotation against his sensitive inner walls sending shockwaves of pleasure through his body. Each thrust brings him closer to the edge, his small cock leaking pre-cum as he teeters on the brink of orgasm, finally pulling back to bask in the afterglow of his kinky exploration.