How could you make or prepare rotten meat?

....  I have read other
>places (maybe Food History by Tannahil ?) that many peoples have eaten rotted
>meat on purpose.  In fact, preferring this way.  This included well hung
>pheasant for the English who would hang the bird by the neck until it fell
>off.  Also, some Pacific coast indians and ancient Romans were mentioned
>for there preference of rotten meat.  They apparently (evidently?) didnt
>have the same problems with bacteria in the meat.  In any event, it is only
>certain bacteria that are a problem and perhaps they are not much of a
>problem with proper diet.