After the designs are cut, they apply a layer of hide glue to add hardness. Today many manufacturers find it more convenient to replace this with commercial-grade glue, because hide glue doesn't stick that well, but Chen Wei-lung insists on using hide glue that he boils himself.
定出形狀後，先上一層水膠，增加硬度，現在許多商家貪圖方便，以強力膠取代黏性不佳的水膠，但陳威龍仍堅持親自熬煮水膠。