The unique inside structure of the Nana Reverse Onahole is what gives the toy its name: the reverse-fold inner structure stimulates your glans in a completely innovative way. It creates a seriously powerful vacuum sensation that wraps each of the seven ribbed sections closely around your manhood to tickle each last bit of pleasure out of your member - and it won't let you escape until you have filled it with an explosive orgasm.
The Nana Reverse Onahole features: