# why are rigify's IK pole targets Hidden in pose mode

I have a character parented to a rigify Armature. I want to stop my character from contorting (e.g., elbow twisted into torso area) as I set the Hand_IK. I would assume that I could use the IK pole or pole target. I see that these exist but are not accessible in the Pose Mode and are Hidden based on a Driver:

with the function:

pose.bones["upper_arm_parent.R"]["pole_vector"]


How can I gain access to the Pole Target? In fact I don't even see any bones (e.g., "Hand_fk.L") that have a IK constraint listing either it's "Hand_IK.L" IK or Pole -- how to even discover these?!

In the tab Item, section Item > Rig Main Properties, there is the Toggle Pole switch. Set it to 1 to show the pole for the elbow.