A blade mount is brought into contact with the outer circumference face of knife cylinder such that penetrating hole having a larger diameter on the blade mount faces a stopping member of sliding member. The growth of the internet has exceeded the capacity of existing technologies and business methods to allow business and consumer users to sort through a vast sea of data. In order to implement a design of an electronic circuit on an electronic device, the configuration information that is required to cause the device to perform its desired function is encrypted before being applied to the device, and is decrypted on the device itself.