The Mystim Thin Finn Urethral Sound is designed for use with the Mystim Tension Lover or Mystim Cluster Buster (sold separately). The Thin Finn is made of hand polished medical aluminum. When introduced into the tip of the penis, the Thin Finn Urethral Sound will stimulate you in ways you never thought possible. Cool it in the refrigerator or heat up in warm water to activate a whole new type of sensory play. Be daring, try something new on yourself or for your partner!

Length: 9.8"
Diameter: 0.314" (8mm)
Weight: .088 lbs

Made of hand polished medical aluminum. 24 month manufacturers warranty.

This accessory works with Mystim Tension Lover and Mystim Cluster Buster TENS units. Always educate yourself and exercise great care when doing urethral play!

Always read the instructions carefully before playing with any e-stim devices.