Easy-to-use trigger controlled for beginner to penis exercise
Precision pressure gauge record the pressure on your penis
Transparent cylinder marked with ruler so you can measure your growth
When you finish training, just turn the pressure valve to release the pressure immediately
The soft sealing ring hugs your big thing tightly yet keep the pressure
This is a pump with accurate values and a very professional exerciser. The penis pump will show the perfect pressure required for training, remember this pressure, you can increase the pressure a little bit the next time. Apply lubricant and slide it into the soft entrance, the transparent cylinder can satisfy your voyeuristic desires. You can see that your penis becomes harder and bigger inside. The unique handle is easy to hold. When you finish training, you can turn the pressure valve to release the pressure immediately.