Hara Hara Tokei
Hara Hara Tokei (腹腹時計, Hara Hara Tokei) is a manual released in March 1974 describing tactics for guerrillas and methods of bomb-making which was an underground publication of the "wolf cell" of the East Asia Anti-Japan Armed Front, a far-left terrorist organization responsible for serial bombings of Japanese corporations in the 1970s including the offices of Mitsubishi Heavy Industries in 1974.