Petzl Microtraxion - Why Simple Pulley Mode?

In what soet of context is the sinple pulley mode of the Petzl Microtraxion preferable? Trying to understand why this feature might be useful and can't seem to find the answer online.

Thanks!

Most climbers don’t need actual pulleys at all for any real life scenario. Typically we just use a carabiner instead of a pulley as it’s the same thing but with higher friction. Most climbers that “need” a pulley want it to have progress capturing ability for some reason or another whether that’s hauling, simul-climbing, or rope soloing. Anybody that still “needs” more pulleys than one, doesn’t need the others to also capture progress so only then would you use a pulley without progress capture. At this point we’re basically building haul systems. Most folks choose simple pulleys like the petzl partner but you could use the micro if it was all you had lying around.

Can not think of any other use case outside haul systems where for some reason I wouldn’t want to use the progress capture capability.

I recently heard of a team setting up a tyrollean traverse over a river that utilized a VT Prussik hitch as progress capture in conjunction with their micro traxion (teeth unused) so as to have a more easily releasable system.

When you do a dean potter and jam it into the knot you can get your micro off the rope 

I use it as a simply pulley on a Tyrolean traverse. Sometimes when it's long, I engage the capture on the 2nd half, to stop sliding back.

It's useful for hauling scenarios, where you need to lower the load back down when it gets stuck.  Also when TRS and trying to do quick laps without taking the device off the rope.

Also, in some big wall solo systems you have to do a lot of restacking ropes from one bag the anchor into another.  The best way to do that is through a carabiner or pulley a few feet above the bag.  I sometimes end up using the free pulley in those situations.   Big wall rope soloing is 25% climbing 75% faffing about with rope systems. 

Sam Skovgaard wrote:

It's useful for hauling scenarios, where you need to lower the load back down when it gets stuck.  Also when TRS and trying to do quick laps without taking the device off the rope.

Also, in some big wall solo systems you have to do a lot of restacking ropes from one bag the anchor into another.  The best way to do that is through a carabiner or pulley a few feet above the bag.  I sometimes end up using the free pulley in those situations.   Big wall rope soloing is 25% climbing 75% faffing about with rope systems. 

I can't get it to stay locked open for descent during TRS. The teetch catch and it re-engages. I resorted to just removing it whenever I descend. I use a 9.5mm rope with minimal fraying, so its not as if there is a bunch of fuzz for the teeth to grab onto. Made me question why the feature is even there.

Hauling and tyolean traverse scenarios make some sense!

Is Awesome wrote:

I can't get it to stay locked open for descent during TRS. The teetch catch and it re-engages. I resorted to just removing it whenever I descend. 

This is because the MT is a piece of shit and you have to baby it in order for it to not re-engage. It's possible, but you have to hold the rope just so. I usually just remove it also rather than dealing with it behaving like a grumpy teenager, or better yet, use my Roll N Lock which actually does what you tell it to without throwing fits. 

I use a 9.5mm rope with minimal fraying, so its not as if there is a bunch of fuzz for the teeth to grab onto. Made me question why the feature is even there.

Hauling and tyolean traverse scenarios make some sense!

I would say that the most common use case for me with locking it open and using it as a pulley is when I have just hauled something on a tagline or haul line and then need to restack the rope. Just open up the MT and reflake the line into a bag or sling or what have you.