Volumes have been said on this issue, and the disquiet and arguments about where the "hot" slots are installed in the casino are still rampant – more than sixty years after one armed bandits were first placed in the casinos.

The standard rule is that the more favourable slot games were installed just inside the entrance of the casino; so that potential players passing by would see actual jackpot winners … be infatuated enough to come into the casino and play. Our conclusion is that this is definitely no longer true.

The great majority of the mega casinos nowadays are enormous complexes and it is not possible to see inside from the sidewalk, so there is no longer a reason to position the ‘loose’ slot machine games close-by any of the doors.

An additional traditional rule is that loose one armed bandits are installed on the major aisles in the casinos, again so that more potential players could see winning jackpots and be inspired to play. Interestingly though, we find that this also isn’t a universal rule any more.

What casinos found over the years is that people walking down the busy aisles were frequently on the way to somewhere else. If they played the slots at all, they would simply put in their loose change because they happened to be walking by. Win or lose, they would very often not stop to keep playing. And the last thing a casino wants is for someone to win a jackpot by playing only a few coins and then not stay to put it all back in!

In recent times, casinos are constantly changing their philosophy about where to place the loose slots.