土砂供養
Từ Điển Thuật Ngữ Phật Học Hán Ngữ
土砂加持 The putting of earth on the grave 108 times by the Shingon sect; they also put it on the deceased’s body, and even on the sick, as a kind of baptism for sin, to save the deceased from the hells and base reincarnations, and bring them to the Pure Land.