Lady Amy wears boots with chunky heels, they didn't look dangerous, but at Amy's feet every boot is painfull.
She steps on her slave, exploring his reaction while stomping and grinding the heels in his flesh.
Sometimes she sits on the bench, takes his face and throat under her sole and begins slowly increase her weight so she stands finally with all her weight on the head.
For some more action, she steps again on him and begins with high-jumps... crazy!
To the end she demonstrate the result of the sharp heel-edges leaving in the skin.