A plug, or conical block of wood, with longitudital grooves on its floor, where the strands of your rope slide in the process of twisting That Section of an item furthest away in the alternative path from that in which an unsupported object would tumble. Down below are some options https://gabletopcontainers.news.blog/2025/07/06/water-in-box-indias-sustainable-sip-revolution/