Here’s a MetaEfficient Keyring. It’s a collection of lightweight, mini-tools suitable for carrying on a keyring.
At first glance, this keyring tool looks just like any other key. When you open it up, you’ll find that it’s actually 6 tools in 1. Here’s what it contains: straight knife blade a serrated cutting surface a micro-sized screwdriver a Phillips screwdriver an eyeglass screwdriver bottle opener The whole thing weighs in at only… [Continue Reading]