I’ve seens parts of that, it’s a masterpiece compared to “Manos”. Manos may not even be a movie, just an abomination made to torture the Mystery Science Theatre 3000 guys.
I have seen 'Manos'....it is hilarious horror! LOL!
Speaking of MST3K......'Santa Claus Conquers The Martians' has to be my vote for worst of the worst on their platform....