hello.



If the grading tab is not activated, there are two possibilities.



1. When there is no pattern and



2. This is when there is only one size.







If you have a pattern and two or more sizes but cannot click, please contact us again.



If you have any further questions, please feel free to contact us at any time.



For seamless support, please contact us via the KakaoTalk channel "UTTU".



thank you



They gave the following answer.



How can I use the vertical and horizontal correction function if there is only one size?