Adam Theory and Delta Phenomenon is a very simple tool, altough entire books written on it. You just mirror the graph on the current point (on the point, not on line) and use it as the resulting picture as a future price (graph) forcast. That is all to it - on the basic level.
Delta Society International supposed to be some secreet sociaty of 70 rich people who used this model. Anyway, as usual with many methods... there is a romantic story behind it provided and much less back-testing data provided on the workability.