Japanese gang members, who is the leader of the gang (Picture 1) Kimmo Huosionmaa “Bubble effect” is the sociological theorem, where the person is only with the people like this person is. In this homogeneous group of people is only persons who act and behaves like others. And that would make illusion, that everybody on Earth has the same kind of thoughts and values. This is very often seen in the speaking of the members of some street gangs, what uses “uniforms”. “Bubble effect” is the sociological theorem, where the person is only with the people like this person is. In this homogeneous group of people is only persons who act and behaves like others. And that would make illusion, that everybody on Earth has the same kind of thoughts and values. This is very often seen in the speaking of the members of some street gangs, what uses “uniforms”. Those groups may also have own tattoo code or some other codes, what would show the rank and position in those gangs and Japanes...