Black bloc

A black bloc is a tactic for protests and marches where individuals wear black clothing, scarves, sunglasses, ski masks, motorcycle helmets with padding, or other face-concealing and face-protecting items. The clothing is used to conceal marchers' identities and hinder criminal prosecution, by making it difficult to distinguish between participants. It is also used to protect their faces and eyes from items such as pepper-spray which law enforcement often uses to stun. The tactic allows the group to appear as one large unified mass, and promotes solidarity. Black bloc participants are often associated with anarchism.