is jigsaw a part of the saw series
Jigsaw (2017 film) Jigsaw is a 2017 American horror film directed by Michael and Peter Spierig, written by Josh Stolberg and Peter Goldfinger, and starring Matt Passmore, Callum Keith Rennie, Clé Bennett, and Hannah Emily Anderson. It is the eighth installment in the Saw franchise, picking up over a decade after the death of the eponymous Jigsaw killer, during the police investigation of a new succession of murders that fit his modus operandi. Saw 3D (2010) was originally deemed the final installment of the series, before Lionsgate Films commissioned the production of Jigsaw from a pitch by Stolberg and Goldfinger.
Riving knife A table saw is typically used for cross-cutting and ripping; cross-cutting slices a board across its grain width-wise, ripping cuts lengthwise along the grain. Various conditions experienced while cutting either way can cause a partially cut board to move, twist, or have the saw blade's kerf close up and bind the blade. Poor blade or fence alignment, operator error, or pre-existing stresses in the wood released by cutting may cause these different and dangerous conditions. A riving knife rides within the kerf, pivoting on the saw's arbor in relation to blade height, to maintain an even gap between the two cut sides of the board, preventing jamming which could cause the stock to be forcefully ejected rearward toward the saw's operator.[1]