Detained Restraint System with Nipple Clamps from Master Series. Now you can keep your plaything pleasurably pinched and deviously restrained and still be able to enjoy them. This restraint system id designed to hold your captive in place by securing their hands with the attached cuffs. Detained Restraint features a donut shaped cock restraint, which can be worn by men by inserting the penis through the hole, or by a female along with a dildo. The heavy duty straps adjust and secure with sturdy Velcro closures. This inhibiting system features two chains attached to adjustable bull nose style nipple clamps. The tips are coated in vinyl for added comfort and grip. Measurements cock ring 2.25 inches inner diameter, 6.5 inches outer diameter. Materials Faux leather, nylon, metal.