Mistress Damazonia and Patricia have their slave on the examination chair, ready to proceed to their experiment. They first put a metal neck brace on him to secure his head and insert a long phallic sound in his throat to test his gag reflex. Then they poke and pinch his nipples and cock and balls to verify his pain tolerance. The slave stay composed....hes passing the test so far. The Mistresses decide then to sound his cock with big metal rod before deciding to extract the cum to conclude the examination.