The Munter Hitch is one of the most valuable knots used in climbing and every climber should become familiar with this versatile hitch. While Werner Munter didn’t invent the hitch, a few Italian’s did in the 1950s, he was the one who popularized it in the 1970s and why it bears his name. This hitch works best on a large pear shaped locking HMS style carabiner like a Petzl Attach or Petzl William Screwlock Carabiner. Fun fact, the “HMS” is a German abbreviated for “Halbmastwurfsicherung” which translated means roughly “half a clove hitch” which describes the structure of this hitch. You can read more on this history of the hitch here.
- Formation
To tie the Munter Hitch you form a twist in the rope similar to the Clove Hitch and drop a strand into the carabiner as well. It is really easy when learning this hitch to remove the twist when you add the second strand which leaves you with the rope just double looped through the carabiner which should be obviously incorrect. Watching a few videos of how to tie it along with plenty of practice tying it inside your home or on the ground should proceed you tying it for real life application.
One of the cool aspects of the Munter Hitch is that it is “reversible”, meaning it will flip through the carabiner into a different orientation depending on which strand is being loaded. During instruction we use the terms “load” strand and “brake” strand. If you only apply load to the “load” strand the hitch will end up in what is referred to as the “lowering” orientation. If we only apply load, or more commonly pull in slack while belaying, the hitch will flip through the carabiner into what is referred to as “belay” orientation. Generally when creating the Munter Hitch it is common to create an “air” hitch like demonstrated in the above video and then install it onto the carabiner. With a little practice it becomes efficient to tie the hitch directly onto the carabiner.
- Advanced Formation
For those with a strong grasp on the basic ways to form the hitch it can be useful to learn how to tie the hitch onto the carabiner in the orientation it will first be operated. For example tying it so it is already in belay orientation, or tying it is it is already in lowering orientation. These methods can add efficiency especially when progressing to advanced self-rescue skills and for those seeking out guiding certifications in rock and alpine guiding.
- Application
- Belaying– The most common use for the Munter Hitch is an alternative to a plaquette style belay device like a Petzl Reverso or Black Diamond ATC Guide when belaying a second directly from the anchor. This choice may be because of a dropped belay device, or it may be for speed and efficiency, or it may be out of necessity (ice’d up frozen ropes while ice climbing can work better in this hitch and be near impossible to install into a plaquette).
- Lowering– The smoothest way to lower a climber directly from above is by using a Munter Hitch and lowering directly from an anchor. A common misconception is this method will twist your rope up and/or greatly wear your rope as the hitch rubs on itself. Both of these conceptions are false with proper use of the hitch, which primarily means keeping the orientation of the BRAKE strand PARALLEL to the LOAD strand while lowering. Doing so will prevent any twisting of rope. The second consideration is conducting a smooth, steady, non-high speed lower. This will not damage the rope and modern rope have sheaths that can easily handle the minimal wear using this hitch hundreds of times will put on your rope. It is a good practice to use a “third hand” friction hitch on the brake side of the hitch connected to your belay loop while conducting anything but the shortest and simplest of lowers.
- Rappelling– While it is possible to rappel short distances with the Munter Hitch attached to a locking carabiner on your belay loop it is a bit awkward to do so and the dramatic difference in angle that the two strands leave the hitch leads to massive rope twisting (and where this hitch probably got a misguided bad-wrap). In truth if you rappel by holding your brake strand parallel to the rope you can manage this without twisting your rope but this practice is very unintuitive to other modes of rappelling and I would only use it as a last resort.
Summary
The Munter Hitch should be in your top five familiar climbing knots. From belaying to lowering it has a lot of applications in climbing, especially in the self-rescue world when we start looking at tension releasable solutions (coming soon). If you haven’t used this hitch in your climbing take sometime to build it at home and see how it operates. Even with all the advanced and great belay devices on the market it is wise to have a fall back plan that only requires a single locking carabiner.
See you in the mountains,
Northeast Alpine Start
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