Organising events takes a lot of planning and practice, but what is the most important aspect of event organization? There may be many answers to this -- good organization, effective back room operations and many other aspects. But the real answer is none of these. It is actually the attendees' safety at the events.
Concerts and other large events have large areas near the stage that are sectioned off with specialized barriers. There are usually security and medical personnel within this secure perimeter. Some public arrive at concerts and events early to make sure that they get next to this area to get close to all the "action" happening on stage.
Making sure that the people attending the concert and the artists performing on stage are safe is the upmost importance. The front of stage barriers help you make sure that the majority of the attendees don