Special Features
- Keeps shoulder straps of your backpack securely in place, and gives your hands free.
- Keeps shoulder straps of your backpack securely in place, and gives your hands free.
- Easy to whistle and make a loud sound in the open air, Ideal for many outdoor activities.
- No sewing required. you can adjust it to your expected length.
- Lifetime guarantee and replacement on failure due to manufacturer's defects.
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