, ▁the ▁player ▁should ▁announ ce ▁their ▁intent ions ▁first . ▁Then , ▁if ▁opening ▁or ▁cold ▁calling , ▁the ▁player ▁may ▁exchange ▁a ▁large ▁chip ▁for ▁its ▁full ▁equivalent ▁value ▁out ▁of ▁the ▁pot ▁before ▁placing ▁their ▁bet , ▁or ▁if ▁over - call ing ▁may ▁place ▁the ▁chip ▁( ann oun cing ▁that ▁they ▁are ▁calling ▁or ▁raising ▁a ▁less er ▁amount ) ▁and ▁remove ▁the ▁change ▁from ▁their ▁own ▁bet ▁for ▁the ▁round . ▁Norm ally , ▁if ▁a ▁player ▁places ▁one ▁o vers ized ▁chip ▁in ▁the ▁pot ▁without ▁vo icing ▁his ▁intention ▁while ▁facing ▁a ▁bet , ▁the ▁action ▁is ▁automatically ▁de emed ▁a ▁call ▁whether ▁or ▁not ▁the ▁chip ▁is ▁large ▁enough ▁to ▁otherwise ▁qual ify ▁as ▁a ▁raise . ▁In ▁most ▁cas inos ▁players ▁are ▁prohib ited ▁from ▁handling ▁ch ips ▁once ▁they ▁are ▁placed ▁in ▁the ▁pot , ▁although ▁a ▁player ▁removing ▁his ▁own ▁previous ▁bet ▁in ▁the ▁current ▁round ▁from ▁the ▁pot ▁for ▁the ▁purpose ▁of ▁calling ▁a ▁raise ▁( or ▁re - ra ising ) ▁is ▁usually ▁toler ated . ▁Otherwise , ▁the ▁deal er ▁is ▁expected ▁to ▁make ▁change ▁when ▁required . ▁ ▁M aking ▁change ▁should , ▁in ▁general , ▁be ▁done ▁between ▁hands ▁whenever ▁possible , ▁when ▁a ▁player ▁sees ▁they ▁are ▁running ▁low ▁of ▁an ▁oft - used ▁value . ▁The ▁house ▁deal er ▁at ▁most ▁cas inos ▁maintain s ▁a ▁chip ▁bank ▁and ▁can ▁usually ▁make ▁change ▁for ▁a ▁large ▁amount ▁of ▁ch ips . ▁In ▁inform al