This line would rarely be found on square or spatulate hands as this is more in tune with the conic or Psychic hand. It is like a semicircular segment lying on the mount of the Moon and sort of connecting it to the mount of Mercury. It is nearly in the same position as the line of Mercury but it distinguishes itself by its curved formation. It indicates a person keenly sensitive to his surroundings and influences.
Such a person has an intuitional (beyond reason or logic) feeling of presentiment pertaining to others. Such people receive uncanny vibrations from others and their judgement of people or places or happenings turns out to be true.
If one is conscious of it one can develop this attribute, otherwise it can also fade away with time. A deep, well-marked line of intuition indicates strong intuition, well utilized by successful mediums and clairvoyants. A broken or defective line shows only a limited or unreliable intuitive power.