Damper: both gas flow regulating button and wind board are high grade PP material, connected with 304 stainless steel bar, manually adjust the outside valve knob, control air flow.

气流调节阀：气流调节扭与挡风板均为高密度PP材质，用304不锈钢方棒连接，手动调节外部阀门旋钮，控制气流量。

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The loss managed to put a damper on the mood of the thousands of Toronto fans who lined up outside the Air Canada Centre in a massive tailgate party, watching the game on several giant TV screens.

WSJ: Maple Leafs Wilt At Home