The toilet box on the left is a sealed unit. Your head is encased in the toilet box with your neck in the front hatch. The user sits on the toilet seat and pisses or shits on you, or into your mouth. When they have finished, they have the option of leaving the seat-lid up, or closing it. Your head is then completely enclosed in the pitch-dark toilet, surrounded by any of the user's piss and shit that hasn't gone into your mouth. The user may leave you in it for as long as they wish, or until the next time they want to use you. It can be rather claustophobic, and therefore is not recommended for anyone with breathing problems.