Some men do not have confidence in theirs penis , the other men want to have a bigger penis instinctively.A lady wishes a man should have a big penis .but she never say that. We know that penis traction is very effective way for penis enlargement empirically and that is male earnest wish and female expectation . Therefore many kind of penis traction device are sold . But these device used wire or rubber belt for fixing a penis. And the wire or rubber belt gives the pain to penis that is very delicate organ . Many men have given up a penis enlargement consequently. The "incubus" adopted natural rubber air bag as penis fixing . And it's achieved innovative comfort the feeling that a penis was grasped by hand. A male earnest wish and a female expectation penis enlargement are achieved certainly by this innovative technology. The "incubus" gives a confidence to a man and gives satisfaction to a lady, it was born here as the mission.