1. Hook
There are many kinds of hooks, there are very standard plastic hooks, there are some strange shapes. Generally speaking, no matter what kind of accessories, the stranger the shape, the less use it will have. Who calls a person too professional? Here are some typical introductions. Plastic hooks are seldom used in external systems, because during the travel process, things outside the package are easy to collide, and plastic things, no matter how hard they are, are also vulnerable to damage. Generally large hooks are often used on the backstrap of a waistbag or leisure schoolbag, and are used with D-rings on both sides of the bag. Small hooks are often used in bags to hang keys and other things. The hook on the left is strong enough to rotate and has metal spring openings, thus avoiding the disadvantage of easy breaking with plastic openings. Usually used for single shoulder bag strap and D ring connection. This strength of the hook is sometimes used on the outside of the load. The small hook is usually used to hang small bags, keys and other small items in the bag.
2.D-ring (DRing)
D-ring, named for its shape like the letter “D”. It has a wide range of uses. It is often used to fix pipes on the back strap or hang small objects (do many donkey friends often put towels in D-rings to wipe sweat on their faces when they are on the road?). There are not many kinds of D-rings. The arc is smooth and suitable for use with forefinger or thumb, so some bags will design the D-ring in place to support the force. For example, a larger travel bag has a D-ring in front of its right strap, which is designed to use the right hand to assist with the afterburner when the bag is too heavy. Sometimes the plug-in system uses a D-ring.
3. Square Loop
Like D-rings, square rings are named for their shape. Square rings are often used in plug-in systems. For example, a general mountaineering bag has four square rings on its cover, which can be used to hang things like sleeping bags. The square ring can be used in conjunction with an elliptical three-stop buckle and can be fastened like a button on a garment. It is easy to attach a small hanging bag to the backpack. It can also be used as a square buckle.
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