Chafing fuel is a fuel used for heating food, typically placed under a chafing dish. Padded shorts aid comfort and avoid the chafing caused by the sewn seams in underwear. No-seam shoulders minimize rubbing or chafing against armor. Severe chafing is known as friction burn. Williams resurfaces in Sweden creating a male underwear line which causes groin chafing. It protected the neck from chafing by the armor. Sarazal has an infection from her manacles chafing her while she was enslaved. To protect sails from chafing, "Eagle" uses baggywrinkle extensively. Chafing under Mexican rule, the American settlers became increasingly dissatisfied. Other characters, too, are chafing at the changes that have taken place in their lives.