Shankha

Conch Shell

A complex interlocking of hands to represent a shell.

how it is held

01
Wrap the left four fingers around the right thumb; touch the right fingers to the left thumb.

where it goes wrong

Thumb positioning being wrong or the "shell" shape being unclear.

viniyoga

What Shankha is used to depict.

The standard usages assigned to this hand in the Abhinaya Darpana. One gesture carries many meanings; context and the rest of the body decide which.