12 keychain gadgets worth carrying every day (and why they're worth it)

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ZDNET's team of editors and reviewers has tested dozens of gadgets and gizmos over the years. From junk drawer heroes to tiny gear packed with purpose , we've found that the very best gadgets can help upgrade your daily routine and lifestyle -- and what better way to do so than by elevating your everyday carry items with your keychain.

Also: One of these 13 gadgets could be the hero your junk drawer needs

From tiny blades to staple essentials like flashlights, here's every gadget we think is perfect for keeping on your keys -- and why.

ZDNET's veteran gadget reviewer Adrian Kingsley-Hughes says this bizarre keychain flashlight is one of his most useful tools, and that it's perfect for everyday carry. It's built with toughness and simplicity in mind -- pull off the magnetic base, and you'll activate a strong, 90-foot beam of light. It's also built to IPX6 standards, which means it is resistant to rain, splashes, and water jets, along with drops of up to 5 feet.

Also: I dropped my old keychain tool in the sea and replaced it with the Olight iUltra