Matthew Barney’s Redoubt at the Hayward is a bewildering and intriguing litany of objects and fleeting, capricious images. At its heart is a feature-length film whose themes and images are continued and compounded by several monumentally scaled sculptures and a long series of engraved, etched and otherwise chemically treated and electroplated relief copper plates. Craft tips into alchemy, materiality into magic, film into myth-making and.