Leashed Prisoners Of The Apes
From a 1960s German Planet Of The Apes movie poster.
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From a 1960s German Planet Of The Apes movie poster.
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She looks a little bored, kneeling there on her leash. He does not look bored, not at all:

From an Erotik Story cover.
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This artwork of a man chaining his wife to the native living rocks is made more ominous by the flaming blowtorch at his feet, not to mention the title of the story in Eerie Stories #1 (August 1937) that it illustrates: The Soul-Scorchers’ Lair.
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This dark-skinned woman in the heavy wooden stocks and her fair chained sister-captive are from a French bondage magazine called Continental Club.
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Our blonde villain seems inordinately pleased with his new chained plaything. Oh, the fun they (by which he means, him) are about to have!

Another from the cover of Dossier X.
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The nice thing about keeping slaves in a barrel is that if you decide to keep them there for awhile, their attitude always improves, and the eventual cleanup is relatively simple:
From Infernal Restraints.
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A place to be thinking about sins, but not to be speaking about them:

From La Perfection Chrétienne by Georges Pichard.
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