1. a large backpack with a volume of more than 50 liters, when placing items, we should put the heavy objects that are not afraid of bumping on the lower part. After putting it well, the best is to stand by the backpack alone. If the weight is more, the weight is placed evenly in the bag and close to the body side, so the overall center of gravity will not fall.
2. knapsack shoulders have skills, put the backpack at a certain height, shoulders into the shoulder strap, lean forward, and stand up on both legs. This is a convenient way. If there is no high place to place, use both hands to lift the knapsack, put it on one knee, face the strap, control the bag with one hand, and the other hand to swiftly turn the shoulder strap into the shoulder strap, then the other arm enters.
3. back good bag, to tighten the belt, so that the hip is the heaviest force, buckle the chest belt, tighten, tighten, make the backpack have no backdrop feeling, walking between the shoulder strap and backpack between the adjustment belt, the body is slightly forward, so when walking, the gravity is actually in the waist, hip, back no pressure, encountered emergencies, upper limbs It is flexible. When there is no protection through the rapids and the steep sections, the shoulder strap should be relaxed, the belt and the chest belt should be opened so that, in case of danger, the bag can be separated at the fastest speed.
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