1, Follow the arrow on the strap and aim the tool's punching pin at the side where there is a small hole;
2, Spin the tool slowly;
3, And the pin which links the strap will be pulled out;
4, Succeed to separate the strap and reduce the strap you don't need;
5, Reverse the arrow and aim the linking pin at the side again where there is a small hole.
6, Using a small hammer or something hard then tap lightly to ensure the pin link the strap.
