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Basically vibrators designed for various parts of the body. Battery operated they vibrate - so on a cock ring the vibrations go right through your cock, balls etc giving your organ extra pleasure, likewise with the vibrating dilldo, once inserted to its deepest penetrative position will give you internal trembles throughout your entire anal cavity like one of the best fucks of your life, plus on a low setting you can he held at an extremely high sensuality for a longer period, cock rings set on low is almost like a continual edging