Symetry in Outfit Studio?

[cronos12]

Hi, Im working in Outfit Studio for a longer time now but mostly to fit armor on body. Its pretty easy to get symetry with mirror on there, but now Im trying to edit bone weights like L / R Clavicle. I feel that animations which my character does are terrible because of badly weighted body. Thing is: I can edit weight on left or right bone, but they will never be the same symetricaly. Is there a way to do it in Outfit studio to get precise results? I would rather not wander off to another software.