Original sentence: The car has been modified by Brains, inventor of the Thunderbirds machines, with gadgets and gizmos, including heavy artillery concealed behind the radiator grille and front and rear headlights
Edited sentence: The car has been modified by Brains, inventor of the Thunderbirds machines, with gadgets and gizmos, including heavy artillery concealed behind the radiator grille and front and rear headlights (which moved to reaveal space to shooting), though in 'Perils of Penelope' grappling hooks are shot out of the rear headlight space