Open the exposed spine completely, which greatly reduces the aesthetic feeling of the book. The most common remedy is to add a cover to the book. However, the independent existence of the seal leads to the separation from the book, and the phenomenon of loosening and sliding will occur when reading, which will inevitably affect the reading experience.
The advantage of naked spine stitch binding is that any page of the book can be completely unfolded at 180 degrees. As far as the long-term reading experience is concerned, it is obviously more comfortable to read a book with more than 250 pages lying flat on the table than to hold it in your hand.
To say the least, even if you need to hold it in your hand, the flexibility of locking the thread reduces the squeezing force of the page on your fingers. Because it is a solid sewing feature, long-term reading will not have the trouble of degumming ordinary books. It is true that the binding method of bare spine seam can make books fully unfolded and let readers fully experience the details of the coffee space environment.
Bare spine seam, also known as Coptic binding, transliterated from Coptic binding. The reason why it is classic is that this binding method appeared in Egypt as early as the 2nd-4th century A.D., and the western ancient books were copied from then on.