-7” “ugly” silver maple-walnut oil-initially threw this away, ants, cracks, etc, pulled it from the discard pile and “gave it a chance”, we trimmed it from our daughter’s new house up in Aitkin where another branch had rubbed on this area for many years yielding a cup shape but had trapped water forever,-the reverse curve with bark edge proved to be a challenge turning and sanding, and I probably won’t do another any time soon, knuckles took a few hits but nothing serious-treated the ant nest with wasp spray and in turning cleaned it all out