Pia, the insatiably curious wife, takes her husband's penis in her skilled hands, gently pushing the cold, metallic urethral chain into his bladder. His body tenses as the chain slides deeper, his groans echoing in the room. Pia's eyes gleam with a mix of lust and concern as she watches her husband's reactions. The chain's steel links glisten with his lubrication, a stark contrast against his pink, exposed urethra. This explicit, real-amateur scene explores the taboo world of urethral sounding, pushing boundaries and delivering intense, kinky pleasure.