Second : the shape of the carabiner plays a role in how sharp the worn edge can be .
第二:钩环磨损边缘的锋利程度与它的形状有关。
This scenario could occur when any two pockets are connected to a single carabiner
当任意两个环连接在一把主锁上时,都有可能发生这种危险。
This wearing pattern can occur on any i-beam or wide-to-narrow carabiner design , and photos of the tapeworm carabiner confirm that it was at that stage .