Many people have lines that intersect; sometimes randomly, like an "X."
Palmistry was and still is widespread in some cultures; it is more a matter of tradition than science.
"3% of the world's population" → This figure is fabricated; it is constantly mentioned in these clickbait publications, without any source.
If you'd like, I'd be happy to explain the true meaning of palmistry lines. We can also stick to real facts about hands, anatomy, and psychology. Just tell me what interests you most.
