In modern society, due to the development of civilization and convenient transportation, sexual function has been weakened. As well, the effects of environmental hormones cause various diseases such as erectile dysfunction, semen decrease, Peyroine’s disease, premature ejaculation and seborrhea.
In order to overcome these problems, surgery has been performed by with drugs, dietary supplements or physical methods until now. In addition, surgery was recognized as the most safe and reliable way to enlarge a penis. Since the penis is also a part of the body, it can be made bigger and stronger through exercise and training, and thesis and research on this topic are actively published. However, there has been no device capable of directly exercising the penis until now.