Sometimes it depends on the method used as to whether oxygen deprivation leads to the desired result. Mistress Jane and Queen Hanna want the slave to remember his mistake from yesterday, but he just can't seem to do it. So now they press his face firmly against Queen Hanna's ass. Lying tied down on his stomach, his face is pressed between her buttocks. Breathing is impossible. Hopefully his thought process will work better now! (Part 2 of 2 from the full clip 'Queen Hanna and Mistress Jane - Oxygen deprivation concentrates the mind')