Both of your hands play great importance in hand reading. But one is dominant and the other is passive. The left hand usually represents what you were born with physically and materially and the right hand represents what you become after grown up. So, the right hand is dominant in palm reading and the left for supplement. https://www.yourchineseastrology.com/palmistry/which-hand-to-read.htm
https://www.yourchineseastrology.com/palmistry/which-hand-to-read.htm