Home33 percent criterion: A dialog between Montana Jack and Kevin Keller

Barbershop HQ's picture

The discussion of the 33% criterion in the last issue of The Harmonizer has generated a lot of great feedback and discussion, including at this relatively recent post at barbershophq.com. An extremely informative private exchange occurred when “Montana Jack” (the Internet handle of an influential barbershopper who regularly posts on the Harmonet) sent a private [...]