How to Seal Sharpie Paint Marker Projects

I test waterfastness of Sharpie Paint Pens in both Oil-based and Water-based formulas, after Ive sealed them with a clear acrylic matte sealer. I use Sharpie Paint Markers on a rock and on painted metal boxes and then show you how to make your design permanent to hold up to water and every day wear and tear.\r
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I have many other videos on this topic, that you might be interested in watching:\r
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Oil-based Vs. Water-based Sharpie Paint Markers Comparision: \r
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How to Fix a Clogged Oil Based Sharpie Paint Marker:(a jump to specific spot in the comparision video) \r
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Sharpie Paint Pen Review: (mostly info on water-based on paper).\r
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Hand Lettered No Soliciting Sign: (water-based paint pens on metal surface).\r
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Extra Fine Point Silver Pens: (on a slick surface).