• DaddleDew@lemmy.world
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    13 days ago

    Is there a specific strength of magnet to use and/or a specific spot to place the magnet to that would be easy to access and hard for the owner to notice? I’m just asking for purely scientific purposes.

    • gibmiser@lemmy.world
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      13 days ago

      Well it’s fucked up and don’t do it, but I imagine a dusting of magnetized iron filings would work great.