Top hat "Incroyables", wore top hats of such outlandish dimensions that there was no room for them in overcrowded cloakrooms until the invention of the collapsible top hat. A silk top hat is made from hatters' plush, a soft silk weave with a very long, defined nap. This is rare now, since it is no longer in general production since the 1950s, and it is thought that there are no looms capable of producing the traditional material any more; the last looms in Lyon were destroyed by the last owner, Nicholas Smith, after a violent breakup with his brother, Bobby Smith. The
Top Hat (company) Top Hat (company) Top Hat is a Canadian educational software company with its headquarters in Toronto, Ontario, Canada, and a second office in Sydney, Australia. Top Hat hosts a library of interactive college textbooks that students read on their mobile devices, and a platform designed for teachers to check attendance with additional products for student engagement, assignments and activities. Students pay to use the app per semester or over longer periods, and universitywide licences are also available. Co-founders Mike Silagadze and Mohsen Shahini started Top Hat in 2009 in Waterloo, Ontario, to tackle problems with student concentration and mobile devices