This Product Is More Than You Think It Is
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6. Strap for a backpack
The best places to buy are Jansport, Dick's Sporting Goods, and Amazon. Average Product Cost: $30–$60* (school), $99–$300* (travel) You'll be astonished by this one, so if you have a backpack around the house, grab it. Your bag, whether it's for school, hiking, or travel, most likely has buckles. An emergency whistle is a secret feature of these buckles.
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