The nurse is ready, just about to SNAP her tight SURGICAL GLOVES on and start with the patient's REBREATHING THERAPY. His cock nicely locked in chastity so there are no distractions. He needs to fill his lungs with all that rubber before she flips him over for the ANAL EXAM. That butthole can do with some STRETCHING and a metal ANAL SPECULUM is just the tool to get that gap wider.