Do big-ass, knobby tires on heavy-duty monster trucks turn you on? Well, imagine how you’re going to feel when you get a hold of the Rock Solid Monster Cock Ring. It’s big, butch, black, and bold. And, yeah. It looks like a tire! This durable, stretch-to-fit silicone cock ring will plump up your cock, giving you a nice semi while offering a great tug on your balls. Get stiffer and go longer with the Rock Solid Monster Cock Ring. Available only in black.