Hobonichi Techo A6 Tragen Cover - black This is a planner cover only. It is compatible with the A6 Hobonichi Techo Planner and Hobonichi Techo Original books. The word "tragen" means "to carry" in German, and this tri-fold cover lives up to its namesake. Made of nylon fabric with leather accents, it features a large zipper pocket that allows you bring your pens and other stationery accessories with your planner. When not in use, the cover stays closed with magnets.