Why does Kobe Bryant chew his jersey all the time?

Kobe Bryant's Game-Worn Basketball Jersey From MVP Season Sells at Auction for $5.8M

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Kobe Bryant chews on his jersey in Toronto.JPG

Kobe chewing on his jersey

The Real Reason Why Kobe Bryant Chewed On His Jersey All The Time - Fadeaway World

Everything that MJ did Kobe did like the chewing of the gum, the walkingI've never seen those tapes again” – Former Kobe teammate comments on Kobe's resolute attitude, recalls Kobe not returning

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Kobe chewing on his jersey

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2015 NBA Finals: Stephen Curry and LeBron James chew mouth guards. Michael Jordan chewed gum. What happened?