Sometimes low-tech is a cooler solution than high-tech.

This sensor device detects if your package was handled roughly during transport: no electronics, just clever engineering.


@polychrome Now I'm curious why it's got the pair of balls rather than 1

@penguin42 as @r4v5 figured out in the thread, these are "arming pins" that let the sticker arrive in its initial state before you activate it!

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