Why are large/pear shaped locking carabiners called HMS carabiners?
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Carabiners like this one,
are called HMS carabiners. Why are they called that and what does HMS stand for?
1 answer
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These types of carabiners are designed to be used with a Munter Hitch. The Munter Hitch was created by a Swiss mountain guide named Werner Munter who called it,
Halbmastwurfsicherung, meaning half clove hitch belay.
The abbreviation for Halbmastwurfsicherung is HMS and that is why the large/pear shaped carabiners are called HMS carabiners.
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