My coupon code
Enter your coupon code in the box marked discount when checking out and make sure to click apply.
One clicked you should see your redemption appear. If not then it has not been applied correctly.
1 - On a mobile device - Click the show order summary drop down button.
2 - On desktop - Enter the code and click apply
3 - If you receive the code via email check if the code is a clickable link which you can follow. When checking out make sure it has been applied automatically.