Also, different people may do it different ways, but imo do not rotate or parent or whatever the dynamic cloth, it should never be necessary.  Start the simuation at frame 1 with zero pose, zero morphs, end the simulation at frame 30 or 60 or whatever with the character in the final pose - unless the simulation settings are just wrong, or the animation is too short, then the cloth will flow around the character pretty much the way it would in the real world (within reason).  If you have the character doing cartwheels it may be a problem, but pretty much any standing pose, not a big deal.

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