A footwear assembly having an upper that comprises a neoprene sock with a foot portion integrally connected to a leg portion. The method of qualifying the player to enter the bonus round connects or links the base game operation of the gaming device with the bonus scheme. The so-formed digital signature is appended to the file. A GONo Go indication is provided via output circuitry controlled by the test mode. The optical device also forms the data emission andor reception means, said at least one light source andor said at least one photoreceptor being arranged for respectively emitting data to an external unit or receiving data from said external unit.