1. Copy the discount code of CoolStuff you want on the page and click to get code.
2. With a single click, the offer code will then be displayed and auto-copied to your clipboard.
3. Then go back to the shopping checkout page of coolstuffinc.com, where you can find the promo code box and paste the code into it.
4. As a final step, you need to press 'Apply Code' to view the size of the discount on your current order.