from spreading on other parts of the clothing.
run cold water through the back of the stain as quickly as possible. make sure not to use hot water because hot water can make it even more difficult, if not impossible to remove the stain. rub a liquid laundry detergent into the stained portion of the fabric. you want both sides to be completely soaked through. the reason to use liquid laundry detergent is that it is very good at removing the oily and greasy parts of the barbecue sauce that try to stick on the fibers of your clothing.
apply a stain remover (spray or liquid) of your personal choice and allow 