To use Hokolite promo codes, follow these steps: 1. Choose the desired product on the Hokolite website. 2. Add the product to the shopping cart. 3. Proceed to the checkout page. 4. Look for the promo code box. 5. Enter the Hokolite promo code in the box. 6. Click apply to see the discount applied to the total cost. Remember, each promo code may have its own terms and conditions. Ensure to check these before applying the code. Happy shopping!