Not long ago, I was discussing a Peterson Kapp-Royal I was restoring with Mark Irwin at (https://petersonpipenotes.wordpress.com/) and he mentioned soaking the stummels in an alcohol bath to clean the exterior. Both Mark and Steve Laug at (https://rebornpipes.com/) use 91% isopropyl alcohol the bath. After 24 hours, the alcohol removes the finish, removes some of …