The 1970s produced acclaimed horror films like The Texas Chainsaw Massacre, The Exorcist, Jaws, Carrie, and Halloween. But the decade also unleashed cinematic oddities galore, most of which were low-budget entries that gleefully pushed the boundaries of good taste. You say “cult movie”—we say “essential.”
Source: io9 – The 30 Weirdest Horror Movies of the 1970s