This seal is also known as the two surface stringed seal. This is cut in a square shape with carvings on the top and bottom and a hole in the middle to make it easy to carry.
穿帶印﹘﹘或稱為「穿帶兩面印」，印體為扁方形，無印鈕；印上下二面刻字，印中間有一孔，可穿繩佩帶，故稱穿帶印。