Skin has three layers: 1  The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. 2  The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. 3  The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
1 Your guide may recommend the application of butter or ghee to draw out and lengthen your tongue. At this point, your tongue should be long enough to reach the center of your eyebrows.  Even with a guide, Kechari Mudra may take months or years to master.
1 Stretching your tongue up to your nose and down to your chin. Repeat this exercise three or four times. 2  Moving your tongue back and forth across the outside of your top lip. 3  Closing your mouth and moving your tongue between your right and left cheeks.  Moving your tongue in and out of your mouth several times.