In this last part of this movie, Matron wants to see if Plastic Patient AB . can Fist Her ! Pulling on some new Rubber Gloves , Patient AB. Lubes her hands as Matron lays back on the Rubber and Plastic sheeted bed that is Soaked In Piss ! Matron almost manages to take her whole hand as she shudders to her final orgasm... She then pisses over AB's Rubber Gasmasked Face as they slide around the wet clinic floor!