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Japanese police have developed a sticky-tongued device designed to crack down
on speeding bikers. In trials they have already nabbed a dozen hot-rodders. The
portable contraption looks like a metallic speed ramp and is about one metre
across. It has a cover plate which springs open when a bike drives over it too
fast, exposing an adhesive patch that sticks to the rear tyre. A rope attached
to the patch coils around the back wheel, bringing the bike to a slow,
non-lethal standstill.