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Sammy plopped the dunce cap on top of his jockey cap.

Horses as old as 4 might run their first race in the family’s traditional black silks and cherry jockey cap and continue to run at 6 or 7.

The door of the helicopter opened, and out stepped, first a fair and ruddy-faced young man, then, in green velveteen shorts, white shirt, and jockey cap, a young woman.

But hard decisions are as much a part of the stable’s legacy as its traditional black silks and cherry jockey cap, which have long been a fixture at America’s biggest races.

Hemingway has ditched the traditional American-style baseball cap in favour of tighter fitting "jockey caps" with smaller peaks.