ALL BLACK CROWD OCNTROL METAL BARRICADE. Looking to rent Crowd control metal barricades (bike racks) around Los Angeles California? These are commonly used at many public events, private events and at sporting events, large parades, political conventions, outdoor festivals. Who rents metal barricades? More frequently Event organizers, venue managers, security personnel, City services, Corporate event planners. They use barricades as part of their crowd management planning. Crowd control barriers act as a physical barrier, used to Highlight “no access” zones or restricted access and to designate space for lines. Barriers are most effective when they interlock. Barricades interlock at each end.