The Sheffield Independent, 1 March 1851, featured an article on ‘Youthful Ingenuity’. The youth was an 18-year-old apprentice, William Unwin, who worked and lived with Joseph Foulstone. Unwin was a spring-knife cutler, who had been spurred by the Great Exhibition in London to make a showpiece sportsman’s knife. Hafted in stag and in a Wharncliffe pattern, the knife contained three blades, a pair of scissors, two saws, a lancet, a nail file, a cigar holder, a button hook, a horse hook, a co....