splay knot

spike knot, splay knot

An elongated knot; the result of cutting wood approximately parallel to the length of the knot.
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Some types of knots, such as splay knots, were disregarded because they do not cause any damage to the finger joints in this material, i.e., they were measured, but not included in the final analysis.
Some knots were excluded in the measurements, including any knots smaller than 2 mm and splay knots. This is not a significant issue because knots smaller than 2 mm have a very small impact on recovery in this type of production process, and the splay knots, at least in this study, account for less than 10 percent of the total knot population near finger joints.