There is a common claim that “Dropped aluminium carabiners should be discarded as they can suffer invisible damage or ‘micro-fractures’ that may cause them to break below their rated strength.”
Many manufacturers state that the maximum life of their webbing products is ten years. Many people seem to keep using webbing products older than 10 years so we decided to conduct
Rope technicians use many different devices to attach to their back-up rope. These vary significantly in design and there have been suggestions that some may be more effective than others