VIBRATORS AND ATTACHMENTS THEREFOR; CONTRACEPTIVES-NAMELY, PROPHYLACTICS; ARTIFICIAL PENISES, ARTIFICIAL PENIS AND TESTICAL COMBINATIONS, AND ARTIFICIAL VAGINAS, AND HARNESSES THEREFOR; SEXUAL AIDS-NAMELY, PENILE MUSCLE EXERICSERS, PENIS ENLARGERS, MECHANICAL APPARATUS TO AID IN THE ERECTION OF THE PENIS, AND PENIS STIMULATING AIDS-NAMELY, PLASTIC RINGS PLACED AROUND THE BASE OF THE PENIS WITH SELF INDUCED CURRENT GENERATED THEREFROM