Britney is being punished. She is commanded to lay in a dental chair with her ass up and firmly into the air. While she is in position Mistress Kira La Doll takes the switch and turns on a spanking machine. The devious device takes turns slapping and hitting Britney's latex coated ass as she cries out in pain. Will Kira show mercy to her bitch slave or will the rubber doll be able to handle each punishing blow?