Lick away the dirt and spit

Because my stupid slave is worth nothing when it comes to be a human doormat I decided to give him a better task today. My shoe soles are very dirty and I don't like it! I spit a lot at the soles and position them right in front of his mug. Now he has to lick everything clean again. He tries to get deep into the rills of the boots with his tongue. He better does a good job because I don't want to see any more dirty when he finishes his job...!

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