A method of playing a video wagering game and a video apparatus for that method are disclosed. The method may include a player placing a wager in a wagering machine having a processor; the wagering machine displaying at least a single payline of multiple frames influenced by at least two distinct indicators;...http://www.google.co.uk/patents/US7575513?utm_source=gb-gplus-sharePatent US7575513 - Double draw poker-type reel-type gaming system
