WARNING - The effectiveness of this harness is directly related to the way in which it is installed, used and maintained. The user assumes that risk. No warranty, expressed or implied, is made as to its' ability to protect against serious injury or death. See instructions for correct installation which should only be done by a qualified professional. If in doubt, consult the Manufacturer. Harnesses should be returned to the Manufacturer for inspection once a year and replaced at least every two years. Harnesses should be replaced following an accident, or when the webbing or hardware is damaged in any way or does not function properly. There is a release mechanism lever which is integrated into the ratchet to enable the ratchet to be over ridden and released. This must be secured in the co.