Procedures of Shell Button Production
2021年7月24日
1.Preparation: To clean the shells and separate them into different groups according to their sizes in order to make use of each shell fully.For Trocas, larger size and thicker button can be obtained from the bottom part of the shell, and smaller and thinner button can be obtained from the top part.Button made from the bottom part has pink back while the button made from the side part has greenish back.