Experiment with titillating urethra play for him, with this Cadence Dilator with Vibrator from american Master Series.
Insert in urethra, turn on the vibrator and experience the most intense and different stimulation. Can both be used solo or shared with a partner.
The lovely silky soft silicone makes this dilator comfortable to touch and easier to insert in. Always use lubricant with your dilator, and carefully go to work.
The Master Series is a brand focused on dominance play and the quality conscious BDSM'er with some experience.