The incidental detail in Claire Rayner’s ’70s sex ed book is weird and very funny

Anyone of a certain age will remember late, great agony aunt Claire Rayner’s Body Book from the late 1970s.

Just in case you don’t, or you need a refresher, someone posted this on Twitter.

Her son, restaurant critic Jay, was among those who shared it.

And while there was plenty to read and enjoy …

… it wasn’t the copy that got people talking. It was one of the pictures, in particular a little bit of background detail that you might have missed on first glance.

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Just in case you’re wondering what they’re all talking about …

… and that wasn’t all.

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