Do you have an X on the palms of your hands?
If so, you're one of the few as it's a trait shared by only 3% of the world's population.
But if you do have one, you're in esteemed company, with researchers claiming that Alexander the Great and Abraham Lincoln also sported a cross.
So what does it signify?
According to palm readers, it's something very important.
Find out what in the video above.