Mistress Denise likes her shoes very clean. She does not like to see even a micro layer of dust on them. Even the tiniest of particles. When she saw a bit in the shoes she wanted to wear, she was mad at her slave and she decided to punish him for it. She spat on her shoes and made him lick them till they were clean and to her satisfaction.
Janine is one young mistress, at first her cute looks might make you think she is nice and innocent but once she gets her shoes on she will force to lick the dirty soles, knowing that you will savor ever moment of it. Especially when she spits on her own soles and sticks them right in your dirty face, to make yourself get even dirtier when her soles are in your face.
Mercedes invited you over and you realize she is there for your humiliation. She takes off her sweaty tennis shoes after wearing them all day and makes you smell them. She dominates you by spitting on the soles of her shoes and making you lick it off. Now you have to spend your night smelling her shoes and licking her slimy spit off the soles. You are her spit slave.