A set of golf clubs wherein the club length varies between adjacent clubs in the set by at least about 0. The priority is altered when the lock is acquired and restored when the process releases the lock. Alternatively, a patron receives a free token within, as part of, or attached to the package of a manufacturer’s product to activate a game of chance in a sample vending machine sponsored by the product’s manufacturer to determine which free product sample, or other higher value prize, the patron may vend from the machine.