In The Long Dark by clicking the 4 button it drops a food item. Although it may seem useless at first glance it is an effective way of distracting wolves so that they don't attack you. By dropping a piece of meat before the wolf charges at you will cause the wolf to instead go and eat the meat you dropped and ignore you. This may not work if the wolf is too close and the wolf may still chase you. Certain food items such as the Jar of Peanut butter will not have any reaction the wolf due to the fact that a wolf can't eat it. This strategy is also effective in hunting as it can lure wolves into a spot for you to shoot them.