George had developed a new way of exercising his captive slut Tina.
The idea had come to him while he was walking his Border Collie, Apollo, during the week after he had pierced the nipples of Tina’s giant breasts.
He had been considering having Tina walk the dog, to save George the effort, with the idea that she could do it naked, to give her practice at exposing herself in public, which he knew she hated.
But when he got to the park and started to throw a tennis ball for Apollo, he had a much better idea.
He spent the next two weeks actively training Apollo for what he had in mind, and then he introduced Tina to the game.
He would take her to a large open sports field, and strip her naked. Then he would collect the “tether” to Tina’s nipple piercings.
The tether was a long strip of elastic, nearly 20 metres long in its natural state and able to stretch to up to 30. At the end of the tether was a tennis ball.
All Tina had to do was throw the tennis ball as hard as she could. Apollo would run and catch it, and Tina would immediately be forced to chase the dog, or have Apollo drag her around the sports field by her tits.
Her piercings were solidly behind her nipples, and the elastic was very stretchy, so there was little danger of doing actual damage to Tina’s breasts. But it hurt to have the dog pulling on her tit leash, in addition to the basic humiliation of her position. She was forbidden to touch the elastic itself, only the ball at the end of it.
And George had trained Apollo to do everything necessary to avoid giving back the tennis ball.
After throwing the ball a single time, Tina could look forward to over an hour of jogging naked around the field, pulled by her tits, unable to stop, chasing a dog who had no trouble in outpacing her.
After seeing how much Tina hated it the first time – particularly when members of the public pointed at her and laughed and called her a slut and a whore – George started making her wear a vibrator in her cunt while she jogged, with a belt to hold it in place. There was nothing better than training Tina to become aroused by things she hated.
And if Tina ever became used to this version of the game, George could always transfer the tether to her clit piercing…
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