The Extreme Nub Pleasure Onahole features a unique inner hole design, comprising four generously sized nubs that will stroke your glans and shaft as you slide in and out. If that wasn't enough, the nubs are lined with smaller tickling bumps, plus there are hugging ribs all along the sides of the tunnel. In other words, this is total vacuum heaven.
The Extreme Nub Pleasure Onahole features: