There were also blacksmiths, a leather tannery, carpenters, saddlers, bootmakers and hatters. Plager played junior hockey with the Guelph Biltmore Mad Hatters and the Guelph Royals. A large demand came from hatters who produced popular beaver felted hats. A 'Mad Hatters Ball' remix featuring Alison Hinds was also released. John Cavanagh was one of the notable American hatters. This ballpark is the home of the Stetson University Hatters baseball team. Herbert Johnson is a London firm of hatters and cap makers. In March 2011, SU President Wendy B. Libby announced the return of Hatters Football. Saint Philip is the patron saint of hatters. Co. Hatters on St James's Street in Central London. In 1893, nineteen manufacturers locked out 4000 union hatters. In the late nineteenth century, a pressing health issue among hatters was tuberculosis. Its various sports teams are called the Hatters. Hexham also had 16 master hatters, and the trade employed 40 persons. A survey of exposed U.S. hatters revealed predominantly neurological symptomatology, including intention tremor.