A decorative clasp for mounting to the fabric covered rear closure a bra or bikini top includes a decorative object having a front surface and opposite back surface. The front surface has mounted thereto decorative elements so as to adorn the decorative object. The back surface has a clamp mounted thereto having a base leg and a cooperating covering leg. The two legs cooperate so as to releasably clamp the rear closure of a bra or bikini top therebetween. A plurality of fabric penetrating protrusions are formed or mounted on at least one interior surface of the legs so that the fabric penetrating protrusions penetratingly engage with the threads or nap of the fabric of the rear closure.