"Tom Opfell"  wrote:

>> I believe that the actual purpose of the saw nib was, as
> Sandy Moss correctly stated, was to warn the operator that the end of
> the blade was near to prevent the saw from freeing itself from the
> kerf and perhaps injuring the hand holding the board.
GG

I have trouble with this explanation. When you are hacking away with
your handsaw, you are completing a stroke about avery second. If you are
experienced, you no longer have to think about keeping the cut square or
following the line
- these things are second nature. I don't think I could even see the nib
  at the speed the blade is going and I definitely wouldn't have time to
  react to it. Ed Minch

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