Even if you don't have a map, you should have a compass, especially in places that are difficult to survive, such as the desert Gobi. Without reference, it is difficult for people to walk in a straight line, and the result is a circle.
2. Cutting machine
Knife can be equipped with straight handle survival knife and multifunctional Swiss army knife. A sturdy knife is a basic tool for building shelters, preparing food, making fires and countless other tasks.
3. Metal container (water purification device)
Drinking water is more important than eating. With a metal cover or metal can, you can boil water to drink, sterilize it and ensure your health. Drinking unclean water does more harm than good. Therefore, many health risks can be avoided by proper filtration and purification.
4. First aid kit
It is very necessary to seal and pack commonly used first-aid drugs such as triangular bandage, Yunnan Baiyao, Band-Aid and essential balm in a backpack. To prevent fractures, sprains, falls, heatstroke, etc. You can wait for rescue and save yourself accordingly.