This is an exercise a little ‘more complicated to explain, but very useful. You should:
1) Support, horizontally, the tip of the index on the upper eyelid, ending exactly where the eyebrows (the outside)
2) To support the tip of the thumbs on the lower eyelid, symmetrically to that of the index.
3) ‘As if by a thread tendeste thumb to the index. At that point, you attempt to close his eyes.
4) The tip of the index and thumbs exert pressure equal and contrary to the efforts of the eyelid to close.
Be careful not to scratch my face with my nails!