This has to be one of the most clever little winter emergency tools I've seen - it's an ice scraper that's literally the size of a credit card! At 85mm x 54mm (that's about 3.3 x 2.1 inches), it fits perfectly in your wallet, glove compartment, or even your pocket. The plastic construction is sturdy enough to scrape frost off your windshield, but the real genius is the tyre tread gauge on the back - so you can quickly check if your tires are still road-legal while you're dealing with winter weather. There's even a hole for a keyring attachment, so you can keep it with your keys and never be caught without an ice scraper again. The printed design on one side is actually pretty cool looking too. I've kept one of these in my wallet all winter and it's saved me so many times when I've been out and about and found my windshield iced over unexpectedly. It's not going to replace a full-sized ice scraper for a major ice storm, but for that morning frost or quick clean-up, it works surprisingly well. Plus, the tyre tread gauge is actually useful - I've used it to check my tires while waiting for my windshield to defrost. For the price, it's one of those no-brainer items that every driver should have tucked away somewhere. It takes up zero space but could save you from being late to work or stranded somewhere with an iced-over windshield. Seriously, just throw one of these in your glove box - you'll thank yourself later.