How do sweet deals from sites like DontPayFull work? On-site, we have a set of head protection coupon codes, head protection promotional codes and head protection discount codes. For the head protection offers and other items, you can find equal coupon codes as well. When you visit the online shopping site where you are making a order from, all you have to do is key in the coupon code. It works pretty much the same manner that an current magazine or newspaper coupon does. Once the code is used, you can receive a certain percentage off the original price - which means significant savings for your online shopping purchases!