If it hurts yes.
Ask her.
Yes it is
On propose yes. I would have to say so.
What the hell is wrong with you? I really don't understand the question.....
You step on there foot and maybe they will step back.
You ask her politely. If this however is a part of your foot fetish leave your mother out of your sex life.
Get her real angry
That's weird
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.
Ask
ask her to?