A plug, or conical block of wood, with longitudital grooves on its surface, by which the strands from the rope slide in the entire process of twisting Jerkinhead: A jerkinhead roof can be a gable roof having a hipped part near the peak. This hybrid fashion generates a novel aesthetic https://gabletopcartons.home.blog/2025/04/08/water-in-gable-top-a-natural-choice/