Just a note, you should have a sling between your belay loop and the prussic carabiner otherwise you have no redundancy if the microtraxion fails.
https://www.petzl.com/INT/en/Sport/Ascending-the-rope-in-self-rescue---take-care-when-approaching-the-anchor?ActivityName=Mountaineering
Thanks Tom. In this case I was experimenting ascending with a belay plate in guide mode. If the rope was going any higher I would have added a rolling clove hitch below anything as a backup.
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https://www.petzl.com/INT/en/Sport/Ascending-the-rope-in-self-rescue---take-care-when-approaching-the-anchor?ActivityName=Mountaineering