The sunflower lanyard is a symbol of hidden disability and is a discrete way to communicate. 24 universities have already partnered with the scheme and Leeds trinity should be the next!
it was started by the hidden disability sunflower company and is described as;
"Wearing the Hidden Disabilities Sunflower discreetly indicates to people around the wearer including staff, colleagues and health professionals that they need additional support, help or a little more time. Since its launch in 2016, it has now been adopted globally by major airports and venues and in the UK, by many supermarkets, railway and coach stations, leisure facilities, the NHS, a number of police, fire and ambulance services, and an increasing number of small and large businesses and organisations."