A pair of straps configured to resembled suspenders are fitted with lights and electrical circuits which when combined with a power pack radiate flashes of visible light. The power pack may be carried on a belt to which the straps are attached. The circuits allow all or just some of the lights to flash...http://www.google.co.uk/patents/US6106130?utm_source=gb-gplus-sharePatent US6106130 - Personal lighted and reflective safety system with shoulder straps for pedestrians
Personal lighted and reflective safety system with shoulder straps for ...