1. Volume in more than 50 liters of large backpacks, in the release of goods, to be afraid of bump in the lower part of the weight, put the best backpack can stand alone, if the heavy weights are placed evenly in the package and close to the body side, so that the overall focus will not fall.
2. Backpack on the shoulder has the skill, puts the backpack at a certain height, the double shoulder enters the shoulder belt, the body leans forward, relies on the two legs to stand up, this is the more convenient method. If there is no high place to put, with both hands to lift the backpack, put on a knee, face braces, one hand control bag, the other hand grab a quick twist, so that one arm into the shoulder strap, and then another arm into.
3. After the bag, the belt should be tightened, so that the crotch by the heaviest force, the chest belt buckle, pull tight, so that the backpack did not fall feeling, walking when the hands pull shoulder strap and backpack between the adjustment belt, the body slightly forward, so walking when the gravity is actually in the waist, hip parts, back without pressure, encountered unexpected events, the upper limb can be flexible place. In the absence of protection through the rapids, steep areas, should relax the shoulder strap, open the belt and chest belt, in case of danger, can be the fastest speed of the package separation.