Screwpop Utlity Knife 2.0
Forget pocket knives — the Screwpop Utlity Knife 2.0 is the thinnest, most compact way to keep a blade on you wherever you go. This simple EDC tool uses standard 2 or 4 step blades, and has a lever system to allow for up to four different cutting depths. It uses a neodymium magnet to hold the blade in place so you're not stabbing yourself in the leg every time you put it in your pocket, weighs under an ounce, even with a blade, has a bottle opener at one end, and a hole on the other end for attaching to a keychain or carabiner. And it's very travel-friendly, since you can throw the current blade away before your flight and just pop in a new one after you land.