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The Making of a Carabiner at DMM

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UKclimbing.com linked to a fascinating video on how carabiners are made at DMM.

DMM, named after Denny Moorhouse, has been busy making climbing hardware since 1981. DMM started life in a small barn in Bethesda, near the slate quarries of North Wales. Now their factory is in Llanberis and DMM employ 130 people, making them the second largest employer in the local area.

The bread and butter of DMM’s climbing hardware business is the carabiner – the simple snap link. This essential tool in the climber’s rack can be taken for granted, but despite its simple appearance, hundreds of hours of design and work go in to each model.

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