This technique aided in the relatively new area of special effects and location filming to aid in giving the film a creepier darker look and help gore effects look a little less fake and to help hide things not meant to be seen. There is also some slight degradation as well and no computer graphics. 1980 was just a few years into the start of the new "slasher" Horror film golden age... It was a great time to be young! The TV commercials were great! They weren't trying to make art, they were doing what films should do, entertain and be fun!
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