Just walk and this shoe will charge your phone

Students from Gorakhpur have come up with a gadget that might prove to be a lifesaver. A shoe that can charge your phone. Students of Pillars Public School in Gorakhpur have made a shoe that can be connected to the phone with your charging cable. Now, as you jog, the shoe will use the friction between the shoe and ground to charge your phone. The faster you run, the quicker it charges your phone.