Sold in a glossy red color, PlugBug consists of two pieces. First is a rounded-cornered L-shaped box designed to connect directly to Apple’s MacBook power adapters, replacing their wall blades with its own flip-out U.S.-compatible blades. Second is a matching slide-on plate that is kept on PlugBug when it’s not connected to an Apple adapter, turning the bigger L-shaped piece into a rectangular box. When both of Twelve South’s pieces…