Mistress Mary J. places her sneakers on her foots laves face and she orders him to lick the soles and clean em. After removing her sneakers she wants to sniff inside her shoes and to take a deep breath. The reward will be her dirty , smelly socks in his face. Miss Mary wants him to lick and clean her sweaty & dusty socks and finally to swallow the socks. For her the footslave is a human footstool and washing machine.