Eyeliner pencils are easier to use, and there are plenty available that are soft and creamy rather than hard and sharp.
This is great for defining and framing eyes. Once your mascara is on, it will give the appearance of thicker lashes. It tickles at first, but you will get used to it—so practice.
Hold your top eyelashes back with your forefinger and gently stroke a creamy eyeliner pencil along the wet part below the lashes. Start at the outer corner and work your way in. This is a very delicate area, so you need a pencil that is as smooth and creamy as possible.
If you are using this technique, it should be a first step, before the eye primer.