Intriguingly Backrooms, directed by 20-year-old Kane Parsons adapting his original liminal space web series into his debut feature for A24, shares the DNA with the unlikeliest of sources. The endless corridors, infernal and mundane stretch and weave through our cinematic subconscious, The Shining, Brazil, Twin Peaks, Being John Malcovich, Us, Severance, the recent Exit 8 are familiar touchstones, as is Mark Z. Danielewski’s novel House of Leaves. But Alan Clarke’s experimental short film Elephant?