This looks innocent enough, but it's not. Place this of your studs penis with the large ring closest to his body. Do this before he's erect. When he does become erect, he'll begin to strain as the rings limit just how big his cock can grow. Then you'll know why they call them "Gates of  Hell" ! Includes a "D" on the end so you can lead him around.

Size: 5 Rings graduating in size from 1.25" to 1.75" I.D