The penis pump is specifically designed for men who wish to achieve a very hard and large erection in just a few seconds. Each pull on the trigger will increase the size of the penis to become more impressive, hard, and thick. The transparent tube allows immediate visibility of the growth and hardness of your penis, which can be very exciting for your partner as well. To release the pressure, just press the quick release button. This penis pump is ideal for use before sexual intercourse to quickly achieve a very strong and hard erection for optimal sexual performance!