The Three Line Break Indicator is a useful and popular free Forex indicator for MT4 trading platforms. The indicator works by continuously monitoring the price action of an asset and drawing vertical lines at the end of each price range. When three consecutive lines are drawn in the same direction, they indicate a potential reversal in the price direction of the asset. The Three Line Break Indicator is a great tool for traders who are looking for an easy way to identify potential trading opportunities in the Forex market.