Function: Cats love scratching vertically for sharpen claw and stretch body, especially as soon as wake up.

功能：猫咪喜爱竖直方向的抓抓，一是为了磨爪子，二是可以伸展身体，尤其爱在睡醒之后。

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The Black Cats were almost made to pay as Jack Wilshere released Bendtner, only for Mignolet to claw the Dane's goal-bound shot over the bar.

BBC: Arsenal 0-0 Sunderland