Add a Line (2D)
Open your Studio project and select the 2D Line from the toolbar.
A yellow box will appear around the video when you select the telestration tool, and will remain until you have clicked OK to complete the edit.
Click the desired location on the field to set the start point of the line, then move your curser to the desired end point location and click again.
You can use the circle in the centre of the line to move the line around the video.
Use the square start and end points of the line to adjust the length of the line.
Use the three tabs on the right to customize the appearance of your line, then click OK.