Steve Kerr is angry. In fact, the Warriors head coach was so angry with how his team opened the third quarter of Game 1 of the NBA Finals against the Cavs that he decided to take it out on a poor, unsuspecting clipboard.

Tough luck, clipboard.

https://vine.co/v/iYbx6ULrdD2

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This isn't the first time Kerr has taken his frustration out on a clipboard. He committed a similar act back in April.

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