When rounding the holes for the front of the speaker build, I needed to ride the roundover bit's bearing on something, so I placed a board with the same sized hole underneath, worked like a charm! Full video of the build on my youtube channel. https://www.instagram.com/p/BqP0gDFldDl/?utm_source=ig_tumblr_share&igshid=rl55cmxdax67









