2. No rednecks
That's how you know.
Also, the exactly matching clothing and head-coverings is NOT to display unity or some kind of uniform. Its for operational security. In a grass-roots protest, people wear all kinds of personal clothing, or have different haircuts, or obvious tattoos - which can be identified later in photos
The folks organizing it made absolutely certain no one could be identified even by the slightest detail and left nothing to chance.