Piped Overgrainer Small 115×320 Medium 231×640 Large 369×1024 Download TIFF Original 865×2400 | (514.5 KB) Description The piped over-grainer is a brush that is used to create the shaped grain found in hardwoods such as mahogany, maple, and walnut. It is referred to as piper over-grainer because of the way the bristles are clumped together on the brush. Keywords brush, clumped bristles, hardwood, Mahogany, maple, painting tools, piped over-grainer, shaped grain, walnut, wood Galleries House Painting Tools Source: Maire, F. Modern Painter's Cyclopedia (Chicago, IL: Frederick J. Drake & Company Publishers, 1918)