If you need to mark a key Sugru is the perfect thing to do it

Step 1: Sugru Pack

Open a Sugru Pack of the color of your choice, wash your hands and take it out of its package.
<p>very nice, to make it thinner, i would only cover one side of the key.</p>

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Bio: Geophysicist, Paraglider, explorer, comes from the desert and loves the world and all science.
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