Immediately afterwards, the sound of a large motor running reverberated throughout the area. Mugino realized it was the sound of one of the crane arms that were used to service the fighters, so she moved back a bit. A swinging wire and the hook on the end of the arm used for hanging heavy things on swung down like a morning star. Mugino had evaded it, but it struck Takitsubo’s side just as she was about to use the Body Crystal.

Toaru Majutsu no Index vol.19 ch.4 pt.2