Ten essential keychain gadgets on sale for Black Friday

A selection of ten keychain gadgets is highlighted as essential tools for everyday use, with many on sale for Black Friday. These items cater to utility needs and make practical gifts for the holiday season. The featured gadgets include the KeySmart Air, a key organizer with an Apple AirTag holder, and the YubiKey 5C NFC, a security key for online logins. Other tools include a multitool, box cutter, and portable scissors, all designed for convenience. Additional items include a rechargeable flashlight, a glow-in-the-dark key tag, and a multitool carabiner. A SIM tray eject tool is also included, now available at a discounted price.