Bars Pattern drawing tool is unique to TradingView. It copies your price bars, creates a drawing out of them and lets you drag it around the chart. You can, for example, compare recent price movements to past or future moves:
In Style property dialog it is possible to change the appearance of a Bars pattern drawn:
Sets bars pattern sticks color and opacity level.
Use these checkboxes to reflect a bar pattern vertically or horizontally.
Sets the shape and price source for the pattern drawn. This pattern may be displayed in the form of bar sticks as well as in the form of line with different price sources for its points:
In visibility properties dialog you can switch the Bars patern displaying on charts of different timeframes: