My one friend and I have been leaving odd gifts on my friend’s car with notes like “I think this fell out of your car” nothing of value. Nothing that can damage the vehicle.

  • A balloon filled with helium tied to the handle. (How did that “fall out”?)

    A gallium coin (if it’s cold outside then it’ll stay solid and then melt when they put it in their pocket).

    An opened (but unused) bandaid. The biggest one you can find. Stick it to the handle so it flaps around and they have to choose between touching the gauze (it’s clean, but they don’t know that) or the sticky part to pull it off.

    A household smoke detector. Use a piece of string to tie it to the handle.

    Baby shoes. Again, tie them to the handle.

    7 worms in a bag. They’re lucky.

    Whenever you go into a gas station, buy a random keychain and put that on there. Watch your friend start drowning in keychains.

    Christmas lights. Just all of them. All the Christmas lights all over the car. But make sure to thread them through the driver-side handle and include your “I think you dropped this” note.

    • moody@lemmings.world
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      1 day ago

      A gallium coin

      This could be quite harmful though. Gallium reacts with metals like aluminum and steel in strange and destructive ways.

      • Mossy Feathers (They/Them)@pawb.social
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        23 hours ago

        That’s true, but if the car is cheap plastic, then it might be fine.

        (For those not familiar with gallium, it’s basically mercury but safe; so it’s a liquid at room temperature but a solid just below that, depending on where you live, without the risk of Mad Hatter’s disease)

        • BoxOfFeet@lemmy.world
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          1 hour ago

          Once in their pocket, if they are some kind of madman that doesn’t have a dedicated phone pocket and they have a phone with an aluminum frame, that’s a recipe for disaster as well.

        • moody@lemmings.world
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          22 hours ago

          That’s true, but if the car is cheap plastic, then it might be fine.

          Until it leaks out of their pocket inside the warm car and drips onto the seat rails, or something similar.

    • kamen@lemmy.world
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      1 day ago

      Baby shoes. Again, tie them to the handle.

      Bonus points if you print out this comic and put it right next.