A golf club bag assembly is shown for carrying a plurality of golf clubs therein. A threaded area is defined in an outer periphery of the barrel and a sealing plate and an end cap are respectively mounted to a rear end of the barrel. In one embodiment, a QoS configuration parameter is selected from a plurality of configuration parameters on a central database based upon unique identifying information of a network device and a status signal. The coating can be created by removing non-carbon material from carbon-containing species provided along the pores.