> Don Schwartz wrote:  "I have a #53 of more recent vintage, and have
> not been able to get the mouth and projection in harmony with any
> predictability.

Mine are all set so that when the mouth is entirely closed the edge
of the blade is not exposed.  It works well for me.  I liked it in
the first one I had, and have set the others the same way.

Mike in Sacto