My personal slave has a too small mouth, it seems so tender with those little pink lips but this creates difficulties when I decide to use it in some practices. In this regard a Mistress friend of mine advised me a great way to solve this problem, fuck her mouth so fiercely enough to tear it to the edges, obviously the foot must go to a depth much more unusual than normal and this means double suffering. But this is an absolutely necessary training for this young slave who still has so much to learn. With her head resting on the ground and her mouth wide open I will undoubtedly reach up to his throat, but if I