Barbara is a female doctor who wants to try an experiment against the patient Ammalia. She covers her mouth and nose with hands, wearing a mask and a pair of white surgical gloves. Barbara ties her patient on the bed. Now she can try her experiment, holding Ammalia's breath in various ways. She begins it with pillow over her face, then she uses the facesitting. She finishes the experiment with the hardest test. Hand over mouth smother with surgical gloved hands.