Sit in easy pose with neck lock.

Roll your tongue into a 'U'  with the tip just outside of your lips.  Inhale deeply through the rolled tongue, and exhale through the nose. Continue three minutes,

Alternatively you can practice this 26 times in the morning and 26 times in the evening.108 repititions is a deep meditation and a powerful healer for the body and the digestive system.

This pranayam gives power, strength and vitality. It can have a cooling, cleansing effect. If you are not able to curl your tongue, stick the tongue of out the mouth and breathe over it.