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A carabiner (/kaerÉËbiËnÉr/) kÃ¦rÉËbiËnÉr or karabiner is a metal loop with a-spring loaded gate used to quickly and reversibly connect, components most notably in-safety critical. systemsistory [edit]. Otto Herzog in 1911 was the first climber to have used the carabiner device based on the pear used by the firemen of Munich.
Carabiners: How to Choose. Different climbing tasks require different kinds of carabiners. To choose and use them properly, you must first understand the differences between them. Once you understand the differences, think about your needs. What type of climbing you do and how youâll use the carabiner will determine what carabiner you buy.