Tung's Acupuncture: 99.06 Shui Er Name:99.06 Shui Er 水耳穴Water EarLocation:At the lower outer edge of the antihelix of the ear.Indication:1. Lumbago. 2. Kidney weakness. 3. Bloating of the abdomen.Needling:0.1-0.2 cunTungs Anatomy:React ion area of kidney.