You can easily use a keychain to organize your keys, but if you also want a few practical little tools, the following WTF Mini Titanium keychain and multi-tool should be more suitable for you.
This is a practical and robust keychain that measures 2.85 x 0.83 inches, and designed to offer a convenient way to keep your keys together and provide multiple practical tools for your daily life. The keychain comes in two versions based on different materials including titanium and aluminum. No matter which version, the strong keychain features built-in multi tool including five wrenches in different sizes (1/4″, 5/16″, 3/8″, 7/16″, and 1/2″) and a pry-bar that can be used as a screwdriver, or bottle opener for your cold beverage. Of course, custom-designed key hole keep your keys securely in place.
At present the inventor of the WTF Mini Titanium keychain is raising at Kickstarter. Pledging $30 will let you own the keychain with multi-tool ($20 for aluminum version). If you’re interested, jump to Kickstarter official site for more details or check out the following making video first.