{HEAD ~ a second input mechanism} operable to receive an indicia of credit or money for a wager on the game of {TAIL ~ chance}; and 
{ HEAD ~ a second input mechanism } operable to receive an indicia of credit or money for a wager on the game of { TAIL ~ chance } ; and
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH