This Woman Has a Softer Right Thumb Than the Others
At first glance, we may think that this is a photo of two girls getting matching nail colors. Yet this is a picture of a single woman born with a congenital trigger finger. This condition led to her not having a joint in her right thumb, thus resulting in a very smooth digit.
This condition develops when there are disparities in the size of the flexor tendon. It is a treatable problem, and options include surgically removing a tendon part or decompressing the tendon sheath.