That first movie had this large crowd scene of the entire crew at the beginning. Everybody who was anyone in SF was there.
It clips to your windshield visor, and with a glass breaker and seatbelt cutter on each end, and a secure grip, you can cut and smash with either hand in either direction. Actually, it looks like it could be used as a close-in weapon, too.
More deluxe models include a magnet, to stick it on steel, and LEDs to illuminate the work area. Starting at $25, this looks like a vey sturdy rescue tool.