A fastener for temporarily fastening a length of wire to the ground includes a U-shaped member having leg portions, a bridge portion bridging the leg portions, and a mount portion arranged at one end of the bridge portion. The sensor may include a sealing means for preventing flow therethrough until a specified differential pressure is reached allowing the device to be used as a bypass mechanism. The stud is formed of a material having a coefficient of thermal expansion less than about 1. The processing module divides the audio digital signal into a plurality of sub-signals in a predetermined period and then transfers the plurality of sub-signals into a plurality of sets of frequency spectrums. The VPN service manager changes the VPN service condition in real time in accordance with an operation status of the customer network in cooperation with the VPN service agent. The posable figure has an inner skeleton including one or more primary members constructed of a bendable material such as metal wire, and an outer molded body covering constructed of a flexible substance such as an elastomer material.