A disclosed {HEAD ~ a gaming machine} includes {TAIL ~ an input mechanism} with a non physical contact data interface 
A disclosed { HEAD ~ a gaming machine } includes { TAIL ~ an input mechanism } with a non physical contact data interface
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH