"Cold heat" soldering?

[Tony Duell]

> That was Bob Vila, and actually he was employing one of those gripper
> wrenches that automatically adjust to any nut size.  They work pretty
> well.

... for rounding thr corners off the nuts.

Seeriously, like just about every other hardware hacker, I have at least 
one adjustable spanner. But I never use it if I have the right size 
'fixed' spanner or socket available, which considering I have metric from 
2.5mm to 41mm, AF from 3/16" to 1~1/2", and BSW, etc, is not often....

-tony