Climbing carabiners

Carbine

— classic carabiners are fasteners in the form of a loop (usually metal) with a latch. Used to connect loops on ropes, objects with holes, etc.; also similar devices, along with ropes and safety systems, are the constituent elements of insurance.

Modern carabiners can come in different sizes, shapes, and latch designs; these moments and features of their practical application are described in more detail in special sources.