ess using the conventional method starting from the last perforation of the signature to the gluing of covers. [0027] FIG. 2A, 2B and 2C is a perspective view of the cutter according to one embodiment of the present invention. [0028] FIG. 3A, 3B and 3C is a perspective view showing the perforation using the invention of FIG. 2. [0029] FIG. 4 is a perspective view showing a sample view of a folded