Well Equipped Retro Dungeon
Some people put more effort into their bondage toys and tools than other people:

Elsewhere on Bondage Blog:
Some people put more effort into their bondage toys and tools than other people:

Elsewhere on Bondage Blog:
From Kinky Delight:
Elsewhere on Bondage Blog:
This poor girl must have angered the head housekeeper:

Elsewhere on Bondage Blog:
You’ve got to love a modern mechanized dairy operation:

From Usenet.
Elsewhere on Bondage Blog:
From alt.binaries.pictures.erotica.vintage:
The filename on this vintage movie still identifies the model as Terry Torday, but sadly I don’t know which of her many movies it is from. It looks like some sort of adaptation of The Ransom of Red Chief.
Elsewhere on Bondage Blog:
In the vanilla world a common female complaint is the one about men who treat nipples like knobs. “You’re not adjusting the radio you know!”
Well, this is something Leesa’s master obviously doesn’t need to worry about:
He hooked my hands to the bed, one to the post, one to the center thingy, and fucked me for hours, I swear. My tits are so sore this morning from all the nipple twisting. He says he uses them as a lubrication knob. When he wants me wetter, he hurts me more. I don’t remember coming. I don’t think he let me. That’s not very nice. I remember lots of face slapping, too.
From the same post: “Milking the cow this morning with cuffs locked on was weird, just for the record.”