| Your right index finger is the key to positioning your entire right hand correctly. |
| Pinch the webbing between your thumb and index finger and push toward the bottom knuckle of your index finger. |
| His index finger looped through a chain of car keys and he shook it with a jingle over his shoulder. |
| Raising his right hand, he laid the knuckle of his index finger against his chin. |
| I lost my fingerprint on my left index finger before due to a bad case of eczema. |
| The captain nodded, rubbing the knuckle of his index finger over his lower lip in a thoughtful manner. |
