N_Cook wrote:
Is the torque release clutch there to make sure it is impossible to strain
the mechanism by over tightening or is it to give results that are
repeatable if used by different people. ie below the torque release force is
the area where grime/gummy lubricant etc would give inconsistent results if
measurement was by feel of "first" touch.


Both

The former in the hands of idiots, and the later for all others.

CarlBoyd