Valeria doesn't like when her feet are dusty, dirty or sweaty. It's good that she has many slaves who won't allow this. Valeria knows that christina will cope with this task. "I don't want to look into your shameless, slave eyes. Just clean my dirty feet!" Valeria orders christina and the slave girl begins to worship her dirty feet. christina is responsible for the orders of her Mistress and her tongue quickly turns black with dirt. Valeria is amused by her devotion and at the same time she likes that her feet become cleaner before our eyes.