Mystim Slim Finn e-stim Urethral SoundDo you dare to try electro stimulation where you are absolutely most sensitive? Yes, we are talking about the urethra! This is the Slim Finn, a long and smooth urethral dilator for exciting electro stimulation teasing. Made of medical grade aluminum, it shines beautifully and for extra sensations you can heat it up or cool it down before use, then it will maintain its temperature. Dare to electro stimulate the urethra from the inside! thin and long