Can You Trade the Gartley Pattern, Also Called the A-B Pattern?

In the myriad of new e-mini trading techniques that pop up on a daily basis, it is surprising that many traders have abandoned the some of the most accurate trades that have been around for decades. Let me say that the A-B (or Gartley Pattern) trade is one of the old reliable set-ups, but the trade takes a fair amount of practice to recognize and execute.