This Product Is More Than You Think It Is

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.

Fastening on a backpack ©stock.adobe.com/last19 In the worst situation, such as when rescuers are searching for you and you are hurt and need to make noise to get their attention, this emergency whistle can be quite helpful. You never know, even if it's not a very likely prospect. One day, being aware of the emergency buckle whistle might save your life.