Eastern White Cedar shingles come rebutted and rejointed for ease of set up. This means that the ends and the sides with the shingle are milled being consistent and in many cases. There may be some knots and blemishes that may seem within the exposed A part of the shingle. https://alaskan-yellow-cedar-shin58146.thechapblog.com/34165113/the-smart-trick-of-eastern-white-cedar-shingles-that-nobody-is-discussing