He stroked my right hand, seeming to admire the softness and colour; but he squeezed it so hard between his hoof and his pastern, that I was forced to roar; after which they both touched me with all possible tenderness.
Jonathan Swift. Gulliver's Travels Into Several Remote Regions of the World (1726)
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The horse sank in up to the pasterns, and he drew each hoof with a sucking sound out of the half-thawed ground.