When you first enter the nose, you feel that your nasal cavity becomes tight, and afterwards, it is relaxed when you loosen it; then fast in and out and take two puffs. The flue gas inlet is well formed, and the throat is smooth. The stren…
When you first enter the nose, you feel that your nasal cavity becomes tight, and afterwards, it is relaxed when you loosen it; then fast in and out and take two puffs. The flue gas inlet is well formed, and the throat is smooth. The stren…