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What's this that you always see on a escalator? Seems kinda pointless

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Conclusion: The Essential Role of Skirt Brushes
While they may seem like a minor detail, skirt brushes play an essential role in the safety and functionality of escalators. By preventing entrapment and encouraging safe passenger behavior, they help to reduce accidents and keep escalators running smoothly. Understanding the purpose and importance of these features highlights the thought and engineering that goes into creating the everyday conveniences we often take for granted. Next time you step onto an escalator, take a moment to appreciate the small but significant role of the skirt brushes in your safe journey.
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