https://itmanual.net/t%eb%a9%a4%eb%b2%84%ec%8b%ad-vip-pick%ec%9c%bc%eb%a1%9c-skt-%ec%9a%b0%ec%a3%bc%ed%8c%a8%ec%8a%a4-%eb%ac%b4%eb%a3%8c-%ec%9d%b4%ec%9a%a9-%ea%bf%80%ed%8c%81/