The Impression of Hands Conjoined

Wordless Wednesday, I saw the lovely picture by Indrani Ghose where she had displayed hands that were combined.
It brought ME solace just looking at that photo.

Wondered, if it is the color combination in print or just the notion of two parts of the body being entwined. Although, I am sure legs or arms weaved around do not make such an impact.

What is it about hands?

Is it the gesture of