STEP 2
You can easily guess that the RSS icon is a bunch of quarter circles with increasing radius and you can also easily guess that I am going to use elliptical tool to draw 4 circles and then delete the unwanted region. You are right that’s one method but I am going to use different method that can easily save our time. Instead of drawing 4 circles I am going to custom shape.
From the left panel select custom shape tool or press shift+U/cmd+U again and again until it comes.