Abstract: The invention relates to a releasable cover for a climbing hanger device such as a climbing hanger plate (28) having an aperture (36) therein which facilitates attachment of a climbing accessory such as a karabiner to the device. A cover (100) for the climbing hanger plate (28) is disclosed which releasably engages the climbing hanger plate (28) to at least partially cover the aperture (36), to thereby prevent a climber from inserting a digit into the aperture (36). This prevents accidental trauma associated with inappropriate use of climbing hanger devices of this type in the event of a fall.