Common examples are blinkies, blinkees, body lights, blinky body lights, magnetic flashers, or flashing jewelry. Small numbers were produced with small megaphones, roof-mounted single beacons and grille flashers. They consist of such people as peeping toms, otaku, flashers and lingerie thieves. Bimetal strips are also used in time-delay relays, lamp flashers, and fluorescent lamp starters. In many countries, LED flashers are the norm for rear lights. Both incorporated separate amber flashers for directional indicators. As a backup, standard railway flashers were mounted below the neon sign. The ZIL has flashers below the headlamps and its grille is horizontally slated. Xenon flashers are gradually being phased out. The Police cars are the only ones that have dark blue dash flashers. They usually also contain flashers to attract attention from drivers. Sequenced flashers are not used at any South African runways and therefore not installed. One line of cars was known as the Sonic Flashers. The wigwag, the last "Model 10" in active use, was replaced by standard highway flashers. In 1975 the collective was consolidated when it adopted the name Hackney Flashers.