As the training continues, it becomes apparent to Goddess Deanna that Her slave is sneaking some air into his lungs through Her cleavage, and so She deems it necessary to crush his face with Her leather covered ass, making it next to impossible for Her leatherpet to catch a morsel of oxygen without Her allowing it to pass his lips. Quite empowering for Deanna to control the very flow of Her slaves breath, an obvious glow of Dominance is visible across the Goddess' face in this portion of the series. Don't you wish it were your face She used as a seat...