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fnord
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You press a wireless remote and small blades swivel out of you shoes(or maybe it has to be one shoe at a time, so you can lift your foot). The blades give you a grip on ice.
[link]
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Sort of on-demand crampons. I could see this being useful, although I wonder how long it would take the violently-minded to use them as weapons. |
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Yes, quite bad for airport security. |
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