Bone Constraint Property - nikogoli/Blender-Scramble-Addon GitHub Wiki

Quick child
Add child constraint to the active bone setting the selected bone as parent.
　

Set IK Chain to Selected Bone
Set chain length of the active bone's IK so that the chain's end is the selected bone.
　

Set Selected Bone as IK's Pole Target
Set the selected bone as Pole Target of the active bone's IK.
　

Set IK's Pole Angle Based on Selected
Set pole angle of the selected bone so that its location is equal to the rest position's one.