Try the door, shielding your balls

You quickly tie the cup around yourself and insert the cage into the second lock. You try to turn the handle, but it is on a very heavy spring. Wrenching it with all of your strength, you finally get it to move. With shocking suddenness, the mallet swings around and hits the cup. Even protected in this way, you gasp at the pain. Thank goodness you found the cup.

The door opens, and, without thinking, you rush through it, wincing still with the blow from the mallet. You fail to notice the second mallet that strikes you a nasty blow on the head. You pass out.

"Ah--a new subject." You awake to the sound of a female voice, full of malice.

You try to move your legs--and find that you are tied, arms and legs, to an X-shaped frame. Glancing down, however, you are pleased to see your cage has gone—almost. There is still a ring behind your balls, though with your hands tied, it is difficult to explore it much.

Your relief, however, is short-lived. You have a brief vision of a tall woman in black latex approaching you. Before you can get a better look, however, your body is wracked with a sudden intense pain. Your eyes close involuntarily.

As you find yourself able to see again, the woman comes into clearer focus. Taller than you are, with long dark hair, she would be beautiful save for her mocking expression. She has a small control of some sort in her hand.

“I hope you don’t mind me offering the occasional encouragement through that collar on your balls. I do so like to have a pet who squirms with pleasure in my presence.”

The woman smiles, running a finger down the shaft of your suddenly erect cock…