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by dragontamer
2270 days ago
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> (two rubber bands and a paper towel, if you have to). Two paper towels and a tissue paper actually. The different materials lead to better filtration and absorption. The theory is to absorb the microscopic moisture that has COVID19 on it. -------- I think the "cut t-shirt" design is easiest. With a bit of sewing effort, you can make it 3-ply or 5-ply for additional protection. Try to get the grains to go in different directions. |
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