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One woman’s ceiling fan cleaning “hack” has gone viral with nearly 8 million views. In the video, Christina Lynch’s husband slips a pillowcase over one of their ceiling fan’s blades. Once the pillowcase is secured, he drags the case back down the blade, trapping all the dust inside. When you’re done, take the pillowcase outside, turn it inside-out, shake out the dust and then clean the case as usual.