Allison knows 2 methods

"Hmmmm, how should I make sure you behave from now on, naughty little Lizzy?"
Lizzy was crying through the gag in her mouth, **** for any way out of her plight.
"In my experience, the two most effective methods are to cause unbearable amounts of physical pain,"
As she finsihed, she give Lizzy a hard spank on her already aching ass while thrusting a bit deeper with her thick toy.
"And causing you such humiliation that you lose any dignity and pride what-so-ever and so no longer feel the desire to act out, and draw attention to yourself. I wonder which will work on you."
She removed the gag and Lizzy sobbed openly now.
"I think I'll let you choose. What is worse, the pain I'm causing you, or the shame you feel just from the thought of being my personal fuck toy?"
She finally pulled out of Lizzy's red and sore asshole, leaving her gasping for breath.
"Stop crying, Pet. We're going to play a little game, and how you play with determine what I do with you. Your going to get choices on what I will do with you. I'm not telling the details but let's just say that these range from most painful to most degrading. Pick a number, 1 through 4, 1 being the least physically painfull but most emtionally humiliating, and 4 being the most painfull but probably less degrading than the others. Pick a Number Lizzy, you do know at least the numbers 1, 2, 3 and 4 don't you? From your grades, I might doubt it."