The Manus Intruder by Master Series. A locking device for the phallus and an intrusion stimulator for the anus... Keeping the wearer subdued in disquieted pleasure. The Manus Intruder is a stainless steel, 2 inch cock ring and a 1.25 inch anal plug all in one. With a unique design allowing the user to maintain an erection all the while keeping their ass intruded upon by a steel round anal ball. Is it a reward, or punishment? You decide! Stainless Steel is: Non-porous, Hygienic, Easy to sterilize, Temperature resistant, Impact resistant, and has a long term value.