Can you spot the creepy detail in this photo that’s freaking everyone out?

Can you identify the eerie element in this picture that’s making everyone uncomfortable?

family frequently take pictures together, hire a photographer, and smile for the camera because many parents desire official portraits of their family.
With all the smiles that are frequently seen, Christmas is typically a pretty pleasant time. However, one family photo is sending internet users over the edge with one very frightening aspect.
Recognize it? We don’t blame you because it’s rather simple to overlook. Here’s a hint: look at the picture’s left side.

Well done if you’ve found it! What a strange thing.
Look at the arm of the younger youngster if you haven’t already. Whose hand is on it, exactly?