EN362 steel Snap Hook is a part of safety fall protection equipment,others are safety harness,lifeyrds.Safety harness is a form of protective equipment designed to protect a person, animal, or object from injury or damage. The harness is an attachment between a stationary and non-stationary object and is usually fabricated from rope,cable or webbing and locking hardware. Some safety harnesses are used in combination with a shock absorber, which is used to regulate deceleration when the end of the rope is reached. One example would be bungee jumping.