If you’re anything like the typical road-user, you’re well versed in the art of gesture-based communication.
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This intricate language of hand motions — sometimes accompanied by a splash of colourful vocals — includes everything from the timeless one-fingered salute and the violently oscillating fist to the more genteel thumbs-up and even the simple “thank you” wave.
Yes, the phalange-capped appendage at the end of your arm wields great power from the driver’s seat. But what if that clout extended further than the mere expression of your fondness — or lack thereof — for other motorists? What if a simple mid-air flick of a finger (no, not that one) could have a real effect on your vehicle?
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