This is the ideal starter kit. Take your first steps into urethral sounding with the Sport Fucker Cum Plug Kit Urethral Sound. It has everything a beginner needs: hollow and flexible core, super-smooth medical-grade silicone, a user-friendly insertable length, and a large flange for easy grip. This kit comes with two sounding rods, both hollow to allow urine and ejaculate out. One is thicker than the other, allowing for a progression. Keep them in as you come and experience the powerful pleasure of harnessing your climax. This set is perfect for those who want to try something new.