TRSE How To Draw Tutorials:
Yaten Grabs for the Camera
Step 2 of 4

    Closer the hand is to the "camera", bigger it seems to get while further the head away from the "camera" smaller the head seems to be. Since Yaten is reaching for the camera, his hand must be bigger than his head in order to make the picture seem 3D. Observe how Yaten is drawn in the picture.