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Keeping it wild: how mules help preserve the last untamed places in the US | Environment | The Guardian
![TIL that in order to quickly identify the training of their mules in a herd, the US Army shaved bells into the tail. One bell meant the animal could pack, two meant TIL that in order to quickly identify the training of their mules in a herd, the US Army shaved bells into the tail. One bell meant the animal could pack, two meant](https://external-preview.redd.it/Tln0m_JqWuEvO6MD5hfRi8Yk-6dWMFdSrm-DgpHKHWc.jpg?auto=webp&s=aa674feee5d42c4ee02451f6d3bd7c5d0a3c064f)
TIL that in order to quickly identify the training of their mules in a herd, the US Army shaved bells into the tail. One bell meant the animal could pack, two meant
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