identifying the rewards qualified user at one of the plurality of {HEAD ~ gaming machines} by using the magnetic card reader to read the magnetic stripe of the player identification card or reading {TAIL ~ the fingerprint} of the rewards qualified user 
identifying the rewards qualified user at one of the plurality of { HEAD ~ gaming machines } by using the magnetic card reader to read the magnetic stripe of the player identification card or reading { TAIL ~ the fingerprint } of the rewards qualified user
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH