First open your front door and check for a pin tumbler lock on it.

首先打开你的大门，并检查了不倒翁密码锁。

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Double top cross straps with single pin buckles at front.

双顶在前面的单针扣交带。

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Double top cross straps with single pin buckles at front.

双顶在前面的单针扣交带。

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