The Reversal Bar Indicator is a popular, free and useful Forex indicator for MT4. It works by analyzing price action and pinpointing potential reversal points in the market. The indicator looks for price action patterns such as pin bars, engulfing patterns and inside bars, and then displays the patterns on the chart. This makes it easy to spot potential reversal points and take advantage of them. The Reversal Bar Indicator is a great tool for both novice and experienced traders, giving them the ability to identify potential reversal points and make informed trading decisions.