Quickdraws are essential in rock climbing, both in sport climbing and in trad climbing. Depending on the gate of the carabiners and the length, width and material of the sling, carabiners are made for one or another speciality of rock climbing. DMM is a Welsh brand founded in 1981 by four friends addict to mountain and climbing. They aimed at producing gear at the best possible quality by at the same time keeping the prices low. Thirty years later DMM is one of the best-selling brands for hardware and employs more than 150 persons. DMM also produces professional gear for work, which contributes to the research and the improvement of all the equipment.