Pose Reader In MB is a script tool that works like “Set Driven Key” in Maya, you can use a bone rotation as a input to drive another bone’s pose in realtime. i.e. use leg rotation to drive skirt bone.
This tool is not for free download, please check How To Get PoseReader In Mobu
Working with MotionBuilder 2013 and newer
# name relation box with more unique way to aviod relation stop working when merge files together
# use local rotation blend instead of global to aviod gimble issue
# add pre rotation and post rotation check for target bone
# update ui
# first useable