Onyx Dual Open Ended Penis Trainer By Doc Johnson Colour:Black Special feature: Integrated ball ring

Special feature: Integrated ball ring for compression and control

Medical-grade materials: Body-safe silicone and ABS plastic

you'll find the tools and knowledge to make informed choices about your pleasure

Box contents: Two clear cylinders

Onyx Dual Open Ended Penis Trainer By Doc Johnson Colour:Black Special feature: Integrated ball ringTraining a submissive demands tools that deliver consistent, controlled stimulation over extended sessions. The Doc Johnson Onyx Dual Open Ended Penis Trainer combines vibration intensity with psychological conditioning, making it essential for dominants implementing performance based protocols and submissives building endurance. At a glance Design: Dual open ended vibrating stroker with compact ergonomic form Material: Premium jelly soft TPE sleeve,