You ask her politely. If this however is a part of your foot fetish leave your mother out of your sex life.
Ask her.
If it hurts yes.
uh yea. if shes your step mom then isn't she married to your dad?
It's not legal or appropriate to have sexual fetishes done with your parents so you do not ask her this.
Not on purpose... in martial arts, it's an effective method to smash the arch of your foot, causing great pain and requiring surgery.
No.
Get her real angry
That's weird
kill your father.
she does NOT have a step mom
He doesn't have a step mom....
Step-mom in Portuguese is "madrasta."