Parasitic bike pump steals air from car tires

Energy & Sustainability
Parasitic bike pump steals air from car tires

Aside from the small issue of car tires not generally being under as much pressure as bike tires, this emergency bike pump by Instructables user Aleksi is pure genius. Just hook up to the tire of a nearby car, and you’re good to go! It’s probably not much use in the woods, though. [via inhabitat]

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