Eating nasty mud with fallen leaves from the soles of My boots

Description: I'm making my dirty slave to lick and swallow all this mud from my soles, yummy! he's trying his best, but it's not enough to impress me. in the end i'm making him chew and swallow theese muddy fallen leaves: he's suffering and gagging truing to swallow all of this nastyness, i'm insulting and humiliating him for such uselessness.