SUMMARY The invention is to facilitate the convenience to occur in the climax after erection of the penis, the operation is relatively simple, on a convenient sexual auxiliaries used,; And the upper portion of the elastic ring is formed, and the lower part of the elastic material is expanded portion is formed a body, one end is expanded portion and the through-connection and the other end tube with the air injector is air injector is connected to the one body to comprise the exhaust air regulator is coupled detachably.
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