Dinosaur killer claws or climbing crampons?
1School of Earth, Atmospheric and Environmental Science and The Manchester Museum, University of Manchester, Oxford Road, Manchester M13 9PL, UK
2Pennicott Payne Models and Special Effects, 10-16 Gwynne Road, London SW11 3UW, UK
3Department of Palaeontology, The Natural History Museum, Cromwell Road, London SW75BD, UK
4Faculty of Life Sciences, University of Manchester, Stopford Building, Oxford Road, Manchester M13 9PT, UK
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