Originally Posted by sydney
Hot Damm!! How is it that some folks can do this highly technical task with no torque wrench,and never have one come loose or twist a bolt head off?

But if you insist, word on the street is that this is one of the best
www.sheldonbrown.com/tork-grip.
Not everyone deals with installing crankarms/repairing bikes on an everyday basis, therefore doesn't develop the 'calibrated elbow' like you seem to have.