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Behind-the-scenes with host Phil Keoghan and the cast

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In CBS' new competition series TOUGH AS NAILS, competitors will be tested for their strength, endurance, agility and mental toughness in challenges that take place in the real world. One by one, they will be eliminated until the TOUGH AS NAILS winner is named, but nobody will go home. Even after they "punch out" of the individual competition, they will have the opportunity to win additional prizes in the team competitions that continue throughout the season. In this special sneak peek preview, the competitors will tell you what makes them tough as nails and why they have what it takes to win the competition.
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