What is a one-sentence summary of the following article?
Place the coin between your thumb and first two fingers. You want to be holding the coin on the ridged sides.  Make sure your entire hand is slightly tilted towards you. Spectators should be able to see the face of the coin easily, but turning your hand to you will make the trick easier. Use a larger coin, especially if you are a beginner. A quarter or half dollar works well. You can hold the coin in whichever hand feels more comfortable. For the purpose of explaining the trick, the coin will be in the left hand.

Summary:
Hold the coin in your left hand.