a cool way to have some one pick a card or just use it as a flourish
Step 1: The finger positioning
hold the deck with your thumb in the front and middle finger in the back,like this.
Step 2: This is a back veiw of the position.
really not much explaining to do here.
Step 3: The fan
with your right index finger,fan out the deck by going in an top to bottom direction.make sure you hold the deck tight or else it wont go well
Step 4: It should look like this
if it doesn't then keep practicing