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I think it's only we wussy safety-first, slow-is-safe Amuricans who call it an 'emergency' brake. It's something a god-fearing man should never need. Like a fire axe in a glass cabinet.
But in lands where driving is more a sport, they call it a hand brake. It's just another tool for staying between the hedgerows and for staying alive in the heat of battle. You're supposed to learn how to use it well.
Like, well, ...like this:
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