7.High calorie snacks to burn a fire for longer duration.
You can use high calorie items like chips, cereals and other snacks such as ramen noodles to keep a fire burning for longer duration.
8.If someone ever attack you, use your keys.
Don’t wrap your fist around it. Put each key between your fingers. It will also you to jab at anyone more effectively and the keys also won’t slip from your fingers.