The invention has the object of offering a method for selling authored work data through data communication means which fulfills the demands of potential buyers to be able to browse and the demands of vendors to be able to prevent copying. Furthermore, 2n+1 additional secondary limbs are provided, where n=0, 1, 2, 3,. Upon receiving that information, the IC card decrypts the encrypted information using the service key stored in the area registration service definition region #0020h. Differences in positions between the real and virtual planes are determined to produce registration data. The first cutting cartridge includes: a knife; an actuation cylinder with a rod in communication with the knife that advances and retracts the knife; and an anti-rotation block attached to a rear of the knife intermediate the knife and rod to inhibit the knife and rod from rotating, wherein, in operation, the first cutting cartridge pivots with the clipper mechanism. Further, custom modules can be readily prepared, in order to supplement the default set of available modules.