How can I be so thick, Part 2 (Pro-Tube?)

[hansepe]

@wanderingwood

Has anyone tried a brass “scratch brush” on the edge char? I picked a couple up at the winter wood working show here in Columbus, Oh

https://www.grainger.com/category/wire-scratch-brushes/brushes/cleaning-supplies/cleaning-and-janitorial/ecatalog/N-12hb

@rpegg - this might be better directed to you since you have the GF