What's the use of the ring on Mi Tu's shoulder strap?

The ring on Tumi's shoulder strap is called D ring, which is used to hang things or decorate backpacks. The following are its main uses:

1. hanging water bottles: Connect carabiners or other hanging belts to the D-ring, which can easily hang water bottles, so that you can free your hands when climbing.

2. Hang up the camera: For photographers, you can connect two external belts to the D ring to free your hands and facilitate shooting.

3. Hanging a small bag: When going out for a long trip, traveling, studying and other activities, you can hang a small backpack or a clothing bag on the D ring to facilitate carrying more items.

4. Hanging keys and other small objects: D ring can be used to hang keys or other trivial small objects, which is convenient to carry.