Sitting in a comfortable position, make fists with your hands and press your thumbs into your temples at the spot where you can feel a little flex if you clench your teeth.
Close your eyes and roll them in and up to the point where the root of your nose meets your skull bone, and lock your back molars together. Hold this gaze of your eyes and lock of your teeth throughout.
Think the sounds “SA TA NA MA” repeatedly while clinching your teeth in rhythm with each syllable in the mental vibration. Keep the pressure on with your thumbs, and feel into the flexing. Breathe long and deep.