He rubs the length back and forth over her, sliding her up and down the length his head teasing her clit as he pushes her back and forth ontop of his cock.  Suddenly he lets go of her neck pushing her forward, making her land on her knees as crouches behind her rubbing his cock up and down over her lips before thrusting all the way inside her, his length battering past her cervix into her womb he slides back and forth fucking her, claiming her, as he begins to turn her into another brood mare.