It’s difficult to decide what’s more horrific about the opening of “Bone Tomahawk”: that it displays a throat-slitting in close-up or introduces David Arquette in a major supporting role. Turns out, violence trumps all in this vivid production, which showcases all kinds of butchery as it explores the uneasy marriage between western and horror interests. Writer/director S. Craig Zahler makes a unique debut with this unpredictable picture, which alternates between extended conversations and aggression, with its raw, unblinking attitude toward the destruction of men sold with surprising authority for a helming debut. “Bone Tomahawk” is specialized work, requiring a special level of patience and endurance to embrace the nightmare Zahler has created. Read the rest at Blu-ray.com