Symbols - What does heaven look like
Hand sign - ILY
ILY sign combines the letters 'I', 'L', and 'Y' from American Sign Language by extending the thumb, index finger, and little finger while the middle and ring finger touch the palm. It is according to Wikipedia "an informal expression of love".
But it can be used in mystical circles to denote twin horns.
For iPad/iPhone users: tap letter twice to get list of items.