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by nine_k
191 days ago
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Leaves are not ferromagnetic, so they won't stick to an electromagnet.
A few small holes with a small pump that constantly sucks the air from them would help stick a real, unmodified leaf to the surface. and release it at will. This would require tampering with the license plate, even though in a very minor way. |
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Fake leaves, as OP said, probably are.
https://fallplate.com/en/product/fallplate-kit/