Sahaj Shankh Mudra

http://users.tpg.com.au/shrein/
yoga/information/mudra.pdf

Method
Join both hands together interlocking the fingers and press the palms together. Apply a gentle pressure with both the thumbs by laying them parallel to each other on the index finger. This forms the Sahaja Shankh Mudra.

Effect
According to Yoga physiology, all 10 main nerves get activated and the body becomes very strong. The ten nerves are Sushumna, Ida, Pingala, Gandhari, Hasti, Jiva, Poosha, Yashwini, Alamboosha, Kuhoo and Shankini

Benefits
* There is growth in alertness
* It cures piles and problems related to the anus
* The spinal cord becomes straight and gains flexibility
* This mudra helps in solving problems related to speech, voice, digestive power, stomach and intestine


http://forum.spiritualindia.org/few-yoga-tips-you-can-do-at-home-t30654.0.html