Cylinder with precision measurement system and erection ring that fits on the base of the pump. Slip the ring onto the base of the penis when erection is produced. Easy grip handles on ring for easy removal. Lubricant included.
Cylinder with precision measurement system and erection ring that fits on the base of the pump. Slip the ring onto the base of the penis when erection is produced. Easy grip handles on ring for easy removal. Lubricant included.