Nexus Simul8 Wave Dual Cock Ring Prostate Massage - BlackNexus Simul8 Wave edition is a dual anal and perineum cock and ball toy, perfect for maximum satisfaction alone or with a partner. The shaft's tip encases 5 speed waving technology which moves back and forth for perfect prostate stimulation whilst the base houses a 6 speed vibrating motor for simultaneous perineum stimulation. The super stretchy cock and ball ring will keep you harder for longer maximising your experience whether alone or with a