Here the fingers of both the hands are interlocked with each other.
Lets take a look at the Viniyoga shloka (uses)
Sammuhagamane tundadarshane shankhapurane
anganam motane shakhonnamane cha niyujyate
This verse says that Karkata is used to denote
- Arrival of people (Get together)
- Showing the Belly
- Blowing the counch
- Twisting and stretching of Limbs
- Bending a branch
Thank you so much Anjali . Its really a great help . š