When the air has ceased to move in the right and the left nostrils, and has begun to flow in the middle path, then Khechari Mudra can be accomplished there.There is no doubt of this.

• 当左右鼻孔呼吸停止，左右二脉的生命气进入中脉时，就达成逆舌身印，这是确切的真谛。