To use Coupon Code in Rns-collection shopping, you only need to do the following three steps: 1. Log in or create a new account on rnscollectionmy.com. Select the Rns-collection products you like and add them to the shopping cart; 2. Check the product you want to purchase at Rns-collection; 3. Place the order, click on the Rns-collection Coupon Code you got on the checkout page. Select the Rns-collection Promo Code you want to use and just complete the payment.