LuvPump AeroUp Beginner's Penis PumpBody building for your penis! Designed for maximum stimulation, pleasure and enlargement with super suction and pure power! An affordable and easy to use penis pump perfect for beginners and intermediate users looking to increase their penis size and improve their erections. This penis pump works by creating a vacuum inside the chamber causing the penis to draw in more blood. It's a great way for men with erectile dysfunction to achieve an erection.