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This Alpenstock creative point that it is split, it can apply to different terrain and different
preferences of the population, can reduce the burden on the leg and foot through the
climbers who; in the grip trekking poles set up a GPS Locator, danger of injury, lost, etc.
can send out a distress signal to rescue personnel accurate positioning, able to
The fastest speed to find the injured.
Chengdu University of Technology