(Today's home decoration wiring is a big project. In addition to wiring, TV cable and telephone line, audio line, video line, etc., the network wiring in the home of the increasing number of computer players is indispensable. If it is not for professional technicians, it is not a simple office work to straighten out so many cables in one sequence. Moreover, in the future use of the room, it is necessary to consider the convenience, safety and beauty of use.)