Write the next sentence in this paragraph:

How to grip a fastball
Pick up baseball and place in throwing hand
Hold the ball with a proper throwing grip.
This means your index finger and middle finger are on top of the ball with your thumb pushing it against your folded ring finger and pinky for support.
Rotate the ball in your hand until you find the " horseshoe seam ".
This is where the seams form a c shape, a backwards c shape, or a horseshoe shape. Place the last one-third of your index and middle fingers across the top seam of the horseshoe seam.