Model D:
Realistic STP with molded balls that hang down. It has a soft matte finish and a small lip so that it can fit in the Slingshot Harness comfortably. The head of the STP is painted in a realistic fashion. The outer 'skin' has a clean, soft powder finish. Designed to help reduce chafing and tacky silicone feel.

Easy DIY instructions for making your own harness out of prefabricated underwear included.