But Originally ...
High heels weren't even created for ladies. Not only were they the exclusive domain of men, but they were the exclusive domain of the manliest of men: soldiers.
"The high heel was worn for centuries throughout the Near East as a form of riding footwear," according to Elizabeth Semmelhack from Toronto's Bata Shoe Museum. It started in Persia, where horseback warriors found it difficult to maintain their stance while shooting their bows and arrows. They created shoes with a defined notch into which the stirrup would slide, allowing them to balance properly on their horses while standing.
Bata Shoe Museum
And look fabulous while doing so.
When Persia embarked on its first diplomatic mission to Western Europe in the 16th century, the royals they met were delighted by these novelties. They added their own fashionable twist by increasing the height of the heels to let everyone know that the wearers were people of status who couldn't be bothered with common things like walking very far or functioning correctly in society. Women really only started wearing them when it became fashionable to dress androgynously. That's right: Women first started wearing high heels to look more butch.
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So if you "men's rights" guys really believe in your cause, you'll strap these on and take back what's yours.