Drawing Tools can be applied, moved, and formatted, directly on a chart, providing tremendous flexibility. Many drawing tools allow you to analyze new data on a chart by extending the drawing object to the left or to the right of the chart. You can use them to call attention to any area of a chart you wish.
In this mode Equidistant Channel is expanded to the right.
Usually, traders draw Ray Equidistant Channel on a chart in order to track market movements as time progresses.