Joey Chestnut competed in his 12th “Nathan’s Hot Dog Eating Contest”, and to no one’s surprise, he gobbled up the competition.

Chestnut devoured 71 hot dogs to win the men’s division of the annual contest on New York City’s Coney Island. The champion beat out 17 of his competitors to claim the Mustard Belt.

RELATED: Joey Chestnut Breaks His Own World Record, Eating 74 Hot Dogs In 10 Minutes

You’re probably wondering, how does he manage to eat 70+ hot dogs in 10 minutes?

Well, thanks to ESPN, fans can find out as the network shared a behind-the-scenes video of the 35-year-old’s training tactics.

In a clip from a new documentary “The Good, the Bad, the Hungry”, Chestnut can be seen exercising his mouth muscles with a variety of fitness tools and breathing techniques.

“It’s not something that there are books written about. There aren’t trainers. Everything’s trial and error,” he says.

RELATED: The Internet Goes Wild As Joey Chestnut Breaks His Own Coney Island Hot Dog Eating Record

In 2018, the competitive eater came in first place after scarfing down 74 hot dogs in 10 minutes, winning the championship title for the 11th time.

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