Retrieved 10 December 2009. The machine pays off according to patterns of symbols visible on the front of the machine when it stops. 14 The popularity of this machine led to the increasing predominance of electronic games, and the sidelever soon became vestigial. Regulatory authority over class I gaming is vested exclusively in tribal governments and is not subject to igra's requirements. If there is the ability to re-trigger free spins during the free spin bonus there is no theoretical limit to the number of free spins obtainable. Since about 2005 there have been hybrid machines introduced, which combine elements of both video machines and traditional electromechanical machines. A problem with three reel machines is that the number of combinations is only cubic the original slot machine with three physical reels and 10 symbols on each reel had only 103 1,000 possible combinations. As soon as the "Play" button is pressed, the most recent random number is used to determine the result. On the other end of the scale, if the player plays 5 reels, symbols can appear anywhere in the window and will pay as long as there is one in each reel. They can also award coin prizes, based on their number. The Proposed Duty to Inquire as Affected by Recent Criminal Law Decisions in the United States Supreme Court Archived at the Wayback Machine. Citation needed In reality whilst machines from the early 1990s did not advertise the concept of hold after a nudge when this feature was first introduced, it became so well known amongst players and widespread amongst new machine releases that it is now well advertised. 10 "One pokie for every 110 of us". As there are so many combinations given by five reels, the manufacturers do not need to weight the payout symbols (although some may still do so). This can sometimes increase the chance of winning, especially if two or more reels are held. Weight count is an American term, referring to the dollar amount of coins or tokens removed from a slot machine's drop bucket or drop box and counted by the casino's hard count team through the use of a weigh scale.