Shunya Mudra (Mudra of Emptiness):

Method:
Keep the middle finger at the mount of Venus and press it with
thumb.
Specialty:
It reduces the dullness in our body.
Time Duration:
One can practice it for 40 to 60 minutes daily until to be cured
from the disease.
Benefits:
It relieves an earache within 4 or 5 minutes
It is useful for the deaf and mentally challenged, but not for
inborn ones.