Inspired by Gann's Mechanical System Masterclass
Here is a great class by Jon Kirk, detailing his method for consistent profit based off of W.D. Gann's mechanical method. A full course of notes and training that go along with his Supply and Demand Letter subscription.
This may be the only thing you need to develop a profitable trading strategy.
An Introduction to Profitable Gann - A great place to start, or to refresh your understanding of Gann's base system ( with a couple of tweaks ) to help you attain profitability, or tweak your system.
Often overlooked, this is what W.D. Gann taught first and referred to in most of his books.