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You can not find the garbage bin to recover the cigarette end, also, you cannot throw it in public place. This design is try to solve this problem. We integrated the way which make the ashtray into the shoes sole and the ashtray may decompose the cigarette end. It is a re-circulated system. After smoking, you just need to quench the fire of cigarette end by the heelpiece and put it into the hole. The cigarette end may decompose when you walk, because the repeated extrusion and friction between the sole and ground will drive the inside grinder. The cigarette end will be decomposed into ash and discharged from the middle of the sole.
Wei yi,Zhang Xuan wei,Li Jue guan,Mo Lin yu zi,Zhang