She is tied into a bucket yoke, the buckets filled with rocks and she begins repetitions of squats. It burns. She works on some balance exercises. She squats some more, it burns some more. I bet she cannot do 15 squats in 20 seconds - she wins the chance to re-negotiate a rule. She is ordered to slowly fuck the gimp while a couple dozen clothespins are arranged in a zipper on her torso. She makes a hypothesis about endorphins based on her homework reading. We test her endorphin flow with a rip of the zipper, then order her to bounce her slutty ass on that cock will she comes over and over while reciting a screaming mantra of principles.