Painful Bamboo Bondage
Found on a Japanese image board:

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Found on a Japanese image board:

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That huge ring gag looks very uncomfortable…for her. This is part of the photo A Mistake by photographer TwinPhoto, who writes that the ring gag is a two inch ring and adds that “they are brutal.”
I went to check and was surprised to learn that one of the toy stores I use considers the two-inch ring a “medium” and their “large” is two and a half.
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A simple gag of cords is all virtuous-and-virginal-looking Jodi Taylor needs, as her captor prepares her for some serious nipple torment to warm her up for the bondage sexing:
From Hogtied.
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How do you get naked bondage models to motivate through the sharp pokey woods with any kind of speed and enthusiasm? Well, they need encouragement, that’s for sure. If I’m correct about what this photo is, it’s from one of the old infamous Insex shoots where they hunted the girls through the woods with paintball guns:

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She doesn’t need to drink, she just needs a bit of a wash:
From Hustler’s Taboo.
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Just a random brunchtime pegging entertainment at The Upper Floor:
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