Enjoy single-handed satisfaction and incredible size increases with the Performance Pro Power Pump! With each pull of the one-handed trigger your pleasure rod will grow bigger thicker and swell with power. Once you penetrate the smooth flexible silicone opening you'll quickly discover throbbing rock-hard erections that feel great and last and last with no midway performance letdowns.The clear vacuum tube allows you to watch your cock grow, and the quick-release valve relieves pressure with a push of the button. Best of all your other hand is free for extra stimulation.