Before the loudspeaker, announcers used megaphones to inform spectators. Newsgatherers flew up alongside to shout unintelligible things through megaphones. Governments can pass laws restricting the use of electronically amplified megaphones. Using megaphones, officers shouted, 'Clear the streets! Small numbers were produced with small megaphones, roof-mounted single beacons and grille flashers. Since then, cheerleaders have relied heavily on acoustic megaphones during performances at sporting events. Portable megaphones are widely used for crowd management and mass communication. The megaphones, bobbed hair and jodhpurs are all here. Common instruments used by the Battalion are large drums, megaphones, and other noise-making items. In making the album Beckman used music boxes, megaphones, autoharp, glasses, water, shruti, and toys. Police with megaphones walked through vulnerable areas in Cabo San Lucas urging people to evacuate. Later, portable electric megaphones extended this equalizing influence to outdoor events. The earliest devices used to achieve this were acoustic megaphones. Songs are led by a capo with the aid of a PA system and megaphones. The Germans are waiting with megaphones and orders to head for a hot bath.