Increase your size and confidence without dangerous medications or expensive surgeries with this safe and easy-to-use Cock Trainer Pump System. With each pull of the Sure-Grip pump trigger your pleasure rod will grow bigger thicker and swell with power. Once you penetrate the smooth flexible PVC opening you will quickly discover throbbing rock-hard erections that last with no midway performance letdowns. The clear vacuum tube allows you to watch your cock grow and the quick release valve pressure with a push of the button.