Whether a comment on the paranoia of foreign invasion or an exercise in genre conventions, S. Craig Zahler's debut, Bone Tomahawk (2015) more than earned its immediate cult status on its release. Equally revelled in as much as it was reviled for its gruesome and unflinching imagery, the film delivers the infamy of a video nasty shackled to the traditions of classic cinema with obvious nods to, on the one hand, John Ford's The Searchers...