The dual effect of this sex toy will bring you and your partner a lot of funny moments. First of all it makes you erected and creates strong long-lasting erection. Secondly, you will be amazed by the pleasant unforgettable sensations. So, this device can be used for different purposes: for erection and pleasure, for solo game or for foreplay. But the most incredible function is the ability of this pump to enlarge your penis and improve the shape, if you use it regularly.