Jigsaw’s back after a seven year absence, with new traps and twists and torture. One of us is very excited about this. The other has never seen a Saw film. Guess which one felt sadistically bludgeoned? What are the pleasures on offer? How do the films in the series connect? What is the basic structure. How good a Saw film is Jigsaw? A Trumpist film or merely Old Testament Religiosity?