Hinge via Driver bone in 2.57b

Hi I’m back up to speed with building basic constraint drivers with bones but would like to construct one for the Hinge bone option, I can’t find it anywhere apart from shift + w key (only found it by accident).

I see its listed in the tools but I don’t get the right click option of Add driver only copy data path, can I still use a bone as a driver ?

Figured out how to make the hinge option by reverse engineering one of FreakyDude’s rigs love the effort that he puts into the UI have made one for myself .

Get rigs to study from here

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