http://www.vidjunkie.com/horror.htm

Equinox: (1971) A.k.a. The Beast. Fun horror flick about four college students who drive up to a cabin in the woods, find a satanic book that summons an ancient evil
and... hey, this sounds awfully familiar! Was ol' Sam Raimi "inspired" by this flick, or did he just rip it off? You be the judge. Great stop-motion FX by Jim Danforth and
David Allen. [B]