Product Number: SIN004 Looking for a new challenge? Then this penis plug from the Sinner Gear collection is the toy for you. The plug is made of strong and durable material and is hollow on the inside. This means you can also wear the plug while peeing. The round bead on top of the plug makes sure the toy perfectly stays in place. Insert it with some lubricant and experience the feeling of ice cold metal inside your penis. Are you up for it?