Joey Chestnut reclaimed the Mustard Belt by eating 70.5 hot dogs and buns in his return to the Nathan's annual Fourth of July contest.

Chestnut bested 14 fellow competitors from across the U.S. and internationally, including Australia, the Czech Republic, Ontario, England and Brazil.

With Joey Chestnut back on the Nathan’s stage this year, Brittany Miller explores what makes the eating legend virtually unbeatable