TCM Wiki Snail Shell 2016-09-23 Snail Shell 1 # Name Wo Niu Ke (Snail Shell) 蜗牛壳 Wo Niu Ke 蝸牛殼 The Effect of Snail Shell Actions Tonify qi. Indications Rectocele, malnutrition. Dosage and Administrations Made into powder for oral taking. Proper dosage is for external application, pounded for applying on the affected area.