Several restaurants in downtown D.C. plan to close this weekend for the “Unite the Right 2” white supremacist rally, while others are educating their staffs on how to handle unpleasant or violent patrons in town.

Although only 400 people are expected to visit the District of Columbia for the event at Lafayette Park near the White House Sunday evening, businesses are bracing for the worst after last year’s event in Charlottesville, Va., led to major clashes between protesters and counter-protesters.