To apply a discount code at checkout on Tobi.com, you will first need to add the items you wish to purchase to your shopping cart. Once you have selected all of your desired items, proceed to the checkout page. On the checkout page, you will find a designated area labeled “Promo Code” or “Discount Code.” Here, you can enter your discount code exactly as it appears, ensuring that you do not include any extra spaces or characters. After entering the code, simply click the button to apply it. The total amount should adjust to reflect the discount if the code is valid. It is important to check the terms and conditions of the code, as some codes may have specific restrictions or expiration dates. If you experience any issues, you may want to refer to the current web page for more information on troubleshooting discount codes.