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Forum Archive › When deciding how a rig should be created, when do you choose to use IK bones and MCH bones together like this? › Reply To: When deciding how a rig should be created, when do you choose to use IK bones and MCH bones together like this?
IK bone is the controller bone. the MCH are the mechanism bones that are used for calculating the inverse kinetics. More specific movements would be done through FK or forward kinetic control bones.