Used knight's ref.
Mine is: https://wn.nr/n8Hcd8
Win a $100 Xero Shoes Gift Certificate
A new winner selected at random each month.
Eligibility: Open to legal residents of Any Country who are 18 years or older.
Presumably in US Dollars?
My referral link: https://wn.nr/Xs3sY4
Used knight's ref.
Mine is: https://wn.nr/n8Hcd8
Used coxymla's mine is:
Used crumble's link.
Mine: https://wn.nr/4qznN9