▁ ▁buy - in ▁amount ▁for ▁c ash ▁game ▁pok er ▁as ▁well ▁as ▁rules ▁for ▁adding ▁and ▁removing ▁the ▁st ake ▁from ▁play . ▁A ▁player ▁also ▁may ▁not ▁take ▁a ▁portion ▁of ▁their ▁money ▁or ▁st ake ▁off ▁the ▁table , ▁unless ▁they ▁opt ▁to ▁leave ▁the ▁game ▁and ▁remove ▁their ▁entire ▁st ake ▁from ▁play . ▁Play ers ▁are ▁not ▁allowed ▁to ▁hide ▁or ▁mis re present ▁the ▁amount ▁of ▁their ▁st ake ▁from ▁other ▁players ▁and ▁must ▁truth fully ▁disc lose ▁the ▁amount ▁when ▁asked . ▁ ▁In ▁cas ino ▁games , ▁an ▁exception ▁is ▁custom arily ▁made ▁for ▁de ▁minim is ▁amounts ▁such ▁as ▁tips ▁paid ▁out ▁of ▁a ▁player ' s ▁stack . ▁ ▁Common ▁among ▁in ex per ien ced ▁players ▁is ▁the ▁act ▁of ▁" going ▁south " ▁after ▁winning ▁a ▁big ▁pot , ▁which ▁is ▁to ▁take ▁a ▁portion ▁of ▁one ' s ▁st ake ▁out ▁of ▁play , ▁often ▁as ▁an ▁attempt ▁to ▁h edge ▁one ' s ▁risk ▁after ▁a ▁win . ▁This ▁is ▁also ▁known ▁as ▁" r athol ing " ▁or ▁" redu cing " ▁and , ▁while ▁totally ▁perm iss ible ▁in ▁most ▁other ▁cas ino ▁games , ▁is ▁not ▁permitted ▁in ▁pok er . ▁If ▁a ▁player ▁wishes ▁to ▁" h edge " ▁after ▁a ▁win , ▁the ▁player ▁must ▁leave ▁the ▁table ▁entirely — to ▁do ▁so ▁immediately ▁after ▁winning ▁a ▁large ▁pot ▁is ▁known ▁as ▁a ▁" hit ▁and ▁run " ▁and , ▁although ▁not ▁prohib