With this hand, you can clutch objects such as a ball, ......
With this hand, you can clutch objects such as a ball, ... you can move the thumb out to the side and grip objects with the index finger in the way you do when opening a lock with a key.
With this hand, you can clutch objects such as a ball, ... you can move the thumb out to the side and grip objects with the index finger in the way you do when opening a lock with a key.