When they returned to the couch club members had already started to experiment with the rings. A girl with long blond hair had been levitated into the air at waist height with not a spec of clothing on her. Her tan skin was glistening with sweat as she moaned. Her partner was obviously invisible and as they moved past, she was jerked forward. From his position Draco could see that she was stretched open, the penis inside her as invisible as the person it was attached to.