Carabiner
Estimated value as of 2026 · Multiple retailers including REI, Dick's Sporting Goods, and climbing gear reviews[1][2][3][6]
A carabiner is a metal loop with a spring-loaded gate used in sports like climbing, camping, and outdoor activities to connect ropes, harnesses, and gear.
Fun fact Climbing carabiners are rigorously tested to hold over 20 kN (4500 lbs) of force, far exceeding a car's weight, despite their lightweight design under 50 grams.[2][4]
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