...."Turn of the Nut" method is the
generally accepted method, where the nut is tightened to a snug
condition, and then given an extra specified rotation, depending on grip
length, bolt size, etc.

That's how it's done for many applications. Some torque wrenches
come with angular indicators built-in - There are also retrofit angle
indicators for torque wrenches, tommy bars (for calibrated arms :)
and the like.

Automotive apps typically head nuts/bolts, con rod fasteners.

 Jack
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