Jonathan Monson owns and operates Dirty2Dreamy, a car detailing company based in Auburn, Washington. The expert often posts free car cleaning and restoration advice on the company’s social platforms. This month, Monson revealed one of his favorite tools to remove pet hair out of vehicle interiors. It has over a million views already.

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Monson explains that a large piece of pumice stone, sans plastic handle, is great for scraping pet hair off floor mats. His video demonstrates how easily the stone gathers the hair for quick removal.

Pumice stones are actually pieces of rapidly cooled volcanic lava. Naturally, lava rock is extremely abrasive. As such, humans figured out that we can use the light, porous stone in multiple ways. Mainly, folks use them to clean surfaces or as a beauty tool to exfoliate.

Now, there are right and wrong ways, including right and wrong areas, to use a pumice stone to remove pet hair from a car interior. Many folks, some of whom claim to have worked in detail shops, commented that a pumice stone can damage carpet. I’d recommend testing pressure and direction before fully committing to your method.

Clearly, Monsoon knows the proper technique. By the end of the clip, the car’s floor mat is completely free of pet hair without any obvious blemishing. To anyone looking for a cheap tool to remove pet hair, a pumice stone may be the trick. They’re typically less than 10 bucks.