Friend for climbing. From the Black Diamond Camalot (C4, X4, C3 and the Ultralight) to the Alien Cam, Kouba, Wild Country, Totem and many other brands. In our online store you can find both single friend of all sizes and complete friend sets. 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.