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Blind people face enormous challenges when traveling alone. If we cannot change the harsh external condition, maybe we could create our own solution by design thinking. The Flavor Harness is an innovative new concept for blind people who currently rely on a guide dog to travel. The Flavor harness has two kinds of smellgenerators which could generate the specific smell matched with different sites. It assists the blind user to recognize obstacles and point them in the right direction. With the help of flavor harness, the guide dog could navigate for blind people much more convenient.