1. First, you need to find the rock space coupon code you are interested in on this page and click Get Code on the right side of the title.
2. You will subsequently see the offer code appear and get automatically copied to your clipboard.
3. You'll subsequently have to navigate back to the rock space's checkout page, locate the promo code box, and insert the code you just duplicated into it.
4. As a final step, you need to press 'Apply Code' to view the size of the discount on your current order.