How to safely & effectively oppose White Supremacists

In Keene, a rally in response to Charlottesville was met with a handful of negative responses including one man who continually circled Central Square in his car, shouting obscenities and racial slurs, flipping off peaceful protesters. Some protesters responded.

Even if our response is positive, is shouting back effective? How do we appear to passersby? How do we come across in photos or video? #FoodForThought