A plug, or conical block of Wooden, with longitudital grooves on its floor, wherein the strands with the rope slide in the process of twisting Jerkinhead: A jerkinhead roof is really a gable roof using a hipped part near the peak. This hybrid design and style produces a singular aesthetic https://share.evernote.com/note/7b8f0bc6-a0ca-f5a9-3c97-f421684cf0b5