After the brass has been stamped out in the basic shape of a gong, it is placed on a block of wood with a hole in the center and pounded with a round-headed hammer to form a navel of the proper size and thickness.
剪裁之後，將鑼面放在挖有凹洞的木頭上，以特製的弧面鐵鎚敲打，打出適當大小厚薄的鑼臍來。