Also of interest - MST3K-related movies:

Invasion of the Saucer Men
(The movie Larry Buchanan took and remade in 1965 as Attack of the Eye Creatures) A teenage couple making out in the woods accidentally runs over an alien creature with their car. The creature's hand falls off which comes alive. With an eye growing out of it, the hand begins to stalk the teens.

This is the original, uncut, 1st generation, A+ version of a public domain movie that is related to a movie skewered by Mike/Joel and the 'bots, presented here without anyone making fun of it.

Set up your own theater seats and enjoy making up your own riffs!