History of Ice Skates
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https://www.popsci.com/technology/ice-skates-history/
In reality, no one is sure when the practice of ice skating emerged. The best we can say is that, over the course of the second millennium BCE peoples from Central Europe to the Eurasian step cut long bones from animals like sheep and cows to fit the size of their feet. These early innovators then drilled holes through the bones and threaded leather straps through them. They tied these simple devices to the bottom of their general-use footwear, and set off onto the ice.
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In 1180, William Fitzstephen, a former secretary to the murdered Archbishop of Canterbury Thomas Becket, recorded one of the earliest accounts in English of people using bone skates. He describes people using them to play on frozen marshes, rather than make their way to work.
In the 13th century, craftspeople in what is now the Netherlands swapped out bone for strips of wood embedded with iron blades. These wood-and-iron skates were then likewise strapped to people’s shoes. No one’s sure why artisans made the shift. They may have been building on a prior innovation, since lost to history.
“There are a lot of unknowns surrounding the transition from bone to metal skates and the development of edge-pushing,” says Thurber.
