The Significant Equipments for Rock-climbing, Climbing Hooks

       Climbing is the activity of using one's hands and feet (or indeed any other part of the body) to ascend a steep object. It is done both for recreation (to reach an inaccessible place, or for its own enjoyment) and professionally, as part of activities such as maintenance of a structure, or military operations. And ascending rock formations, which called rock-climbing, often use climbing shoes and a chalk bag. Equipment such as ropes, bolts, nuts, hexes, climbing hooks and camming devices are normally employed, either as a safeguard or for artificial aid. In the following article, I’ll focus on a brief summary of climbing hooks.
       Climbing hooks, also known as carabiners, are metal loops with spring-loaded gates (openings), used as connectors. Once made primarily from steel, almost all carabiners for recreational climbing are made from a light weight aluminum alloy. Steel carabiners are harder wearing, but much heavier and often used by instructors when working with groups. Carabiners exist in various forms; the shape of the carabiner and the type of gate varies according to the use for which it is intended. There are two major varieties: locking and non-locking carabiners. Locking carabiners offer a method of preventing the gate from opening when in use. Locking carabiners are used for important connections, such as at the anchor point or a belay device.
       A nut tool (or nut key) is a small piece of equipment used to extract nuts from cracks in rock that cannot be extracted by hand; they are especially useful when a nut becomes tightly lodged in a crack after supporting a climber's weight or arresting a fall. Made from a flat piece of sheet steel about 20 cm long, a nut tool has climbing hooks at one end and a handle at the other. In order to shift a particularly stubborn nut, a nut tool will sometimes have to be hammered into place.