A Tricam is a type of
climbing protection equipment, produced by Italian firm
CAMP.It is a passive or active device consisting of a shaped
aluminium block attached to a length of
webbing tape. The device is designed to be inserted into a crack in such a way that pulling on the tape makes the block cam against the crack, gripping the rock tighter. This camming action is achieved by the position of the pointed
fulcrum of the block relative to the pin on which the webbing is wrapped. As the webbing is pulled, the downward force is pivoted onto the point which can bite into soft rock or ice and increases the holding power of the tricam. Tricams are generally not as easy to place as
spring-loaded camming devices (SLCDs) but are much cheaper, lighter, and have some of the highest
kN ratings out of all rock climbing protection devices. Unlike SLCDs they are less likely to fail in the alpine environment as they have no moving parts to freeze, making them an excellent choice for a mountaineer's rack. They typically work best on sandstone or limestone as the
fulcrum is more likely to bite into the soft rock.
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