Like many things pipe related, complete myth.I don't smoke 20 bowls a day in my a particular one of my Deluxe System, Pub or House pipes; It would probably take 4 lifetimes in order to wear the junction to the degree where the collar of the stem and end of the shank would eventually meet up.
25. Closing the Gap: The Mythos of Peterson’s Space-Fitting System Stem (Revised)
I received a Peterson Centenary 4s (my beloved 309 Dutch Billiard shape) from Mike Glukler of Briar Blues this week. I’d thought about the pipe for a long time, even had it on hold for several mont…
petersonpipenotes.org