Pulling Hairs Out
Before you get the wrong idea, let me clarify. Pulling hair out of your hairbrush. So all you need to do is spray WD-40 onto the hairbrush and then soak it in water so that you can easily pull dead hairs out.
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Waterproofing Your Shoes
WD-40 is more impressive than you ever thought. If you apply this magic spray to your shoes then you can keep them waterproof for the rainy season.