This curved 4mm or approx .157” urethral sound is the perfect addition to your partner and solo play. It’s ideal for kinky pleasure seekers that love to straddle the fine line between pleasure and pain- but is also ideal for men who want to enhance sensation and make their penis more sensitive to touch. The sound has a super smooth finish and the curved design allows you to insert it into your urethra easily. Sound is made from stainless steel and easy to clean.