What does it mean if there is a deep surface in between both palms

Hand - Wikipedia

How to Read Palms: A Complete Guide with Pictures

There is a piece of hard flesh on the moon hill of the palm. Most of the time, it does not hurt, but sometimes it itches and hurts when pressed. Why?

What does the presence of Surya Rekha /Sun line in both the hands mean according to Hasta samudrika/ Palmistry? - Quora

What is the meaning of mystic X lines in palmistry? - Quora

Eczema and Washing Hands Frequently

Splinters and Other Foreign Bodies in the Hand

Palmar surface hi-res stock photography and images - Alamy

What does it mean to have letter M on both palms? how does it affect fortune? - Quora

Palm Reading: A Beginner's Guide for How to Read Palms