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Set sidewalks and blind roads on the road is to facilitate the safe travel for the public and the blind, but the phenomenon that blind tracks are occupied is not uncommon.It is extremely difficult for blind people to bypass the object and back to the normal blind road.
There is a magnetic in the top of this crutch, which will produce adsorption to the stainless steel blind road on the road. With this adsorption force, blind man can easier return to the correct blind road.