I am a Fire Officer From Scotland and have designed a Firefighters safety line to assist Fire crews retrace their way out of large buildings in smoke and darkness. The design has been endorsed by fire crews and will hopefully be adopted by all of the United Kingdom Fire authorities. It is simple and easy to understand and will be a great benefit to fire crews throughout the world. More information on the design is available from www.simfireandsafety.com and I would appreciate any comments or opinions on this subject.