Her stockinged feet trample their bodies all over... she stomps and slaps them with the soles of her feet and uses them to crush underfoot.
They are receiving trampling as punishment because their cum makes them dumb and they can't leave their pathetic little cocks alone.
Fantastic foot Domination as they are humiliated and basically used as Mistress' exercise mats before telling them they need to go on a diet and exercise regime for being so unfit when she is the one doing all the hard work!