Introduction of environment-friendly book reader

- Dec 18, 2017-

Without a book pin, just "air" can easily put together a few pieces of paper, made of plastic, a bit like a double birthday cake, but the "cake" under a fine seam, as long as the paper into the thin seam, and then press the same as the ordinary stapler, can easily "nail" together, The paper is pressed out of an oval hole, the hole has a fine seam, the pressure on the part of the paper is not into this fine seam.