The source, "The 12 High-Leverage Golf Swing Hacks," offers a prescriptive guide detailing small, intelligent adjustments designed to significantly improve a golfer's performance without requiring a complete swing overhaul. The text explains that golf improvement comes from exploiting high-leverage tweaks in areas like grip pressure, hip rotation, and trail knee flex, which are utilized by professional golfers. It outlines twelve specific techniques, such as the "90-Degree Shoulder Turn vs. 45-Degree Hip Turn" rule and the "Motorcycle" Transition, asserting that implementing even a few of these can lead to substantial gains in distance, accuracy, and lower scores. The source concludes with a 21-day practice protocol for integrating the hacks sequentially, promising measurable results in under a month.