Eggshells (1969)
Eggshells is an independent low-budget film released in 1969. It is the first film directed by Tobe Hooper. It was written by Kim Henkel and Tobe Hooper (writers of The Texas Chain Saw Massacre). It was produced by David L. Ford. It had a budget of $40,000. Tobe Hooper described Eggshells as "a hippie movie". David Ford called it a "head film". Watchmaker Films will be releasing a DVD of Eggshells later this year.
More at Wikipedia.