bus seat / Chair

Do you have the experience on the bus? When a very fat man or a long hair woman in the seat,and People are very crowded,The armrest of above is too high or not enough ,which can't help people.you use hand took the seat，Always accidentally pull live other people' clothes or hair sitting on the seat .It is very impolite.Also can make the people on the seat irritable.This product design consideration to the person's psychology, People would conflict with the sense of infringement.Bus seat to redesign the back into two section,the front is the entity, Guarantee the man sitting the whole space.the back is empty part .which can guarantee of the peo