You must learn to suck well, slave girl!

Description: I decided that it was not enough that this slave girl was good at licking the sweat from my feet. she still needs to be able to suck well and now she will learn! first i rub my soles on her face and tongue and then she starts sucking my heels and toes. she must make sure that my toes do not fly out of her mouth... suck harder and deeper, slave girl!