Bound my sketchbook with duct tape on the spine, and it's working
Most folks in our guild would say duct tape has no place in proper bookbinding, but I needed something fast for my daily sketches. I lined the spine with a thin strip of it under the cover cloth, and the hinge moves smoothly without peeling. For quick, heavy-use books, I think this hack saves time and holds up better than fussing with extra layers of paper. It's not for heirlooms, but for my needs, it's a solid fix.