This mistress had a bet with her friend. They were debating whether driving a stick shift would be easier or harder with wedges. She said it was easier but her friend insisted that it would be harder. She got in her car with them to try them out. She enjoyed the experience of revving up the sports car, putting it into gear and driving off. She easily won that bet with her friend.
This mistress wanted to go and humiliate her slave. She wanted to trample him using her suede shoes so she got into her car wearing them. She was still enraged as she got in the car so she found herself stepping on the gas pedal hard and revving the car even before she had put it in gear. She realized this, stepped on the clutch, put it in gear and sped off.