Xstuffing presents a raw, unapologetic journey into the taboo realm of urethral sounding with a Super Sharpie. The performer, anonymous yet experienced, takes us on a visceral tour as they insert the marker into their urethra, the plastic tip gliding in with a steady, deep pressure. The camera zooms in, capturing the intimate invasion, the performer's grunts and moans echoing in the room. The Sharpie is pushed deeper, the performer's body tensing and releasing in rhythmic waves of pleasure and discomfort, a testament to their commitment to the edge of extreme sensation.