Reebok Checklight

Hockey, football, boxing . . . it doesn’t matter what sport you’re watching or playing, we just can’t stop talking about concussions. Well, this bad boy might help—the Reebok Checklight ($150), which won an award for innovation at CES this year, measures the impacts an athlete’s head feels, giving coaches and trainers a better idea of when they ought to take a more careful look at a player. 

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