This patient has been admitted to the Rubber Clinic. Nurse is doing a trial to see how much saliva is produced with differing types and sizes of gags. She wants to collect as much saliva as possible and analyse it. In this clip she uses the dental plate gag and the Whitehead ratchet gag to see which one produces the most drool. This clip contains LATEX, HEAVY RUBBER, RUBBER NURSE, RUBBER, RUBBER CLINIC, GAGS, DROOL, SAMPLE COLLECTION, RUBBER GAGS,