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The design is based on the psychological perspective of the blind and gives the blind a sense of security. The red protrusion of the cane can be febrile, mimicking the temperature of the human hand. The guiding rod is a wheel, they can navigate by led the blind man to walk, to produce a guiding sense. Still can shrink, convenient receive. In the three pits of the handle, there are three red and yellow characters of braille, which can be used to remind the blind man to cross the road in the same way as the traffic lights.