Question: how to decorate a key?
Answer: Wrap the top of the key in yarn, like Crème de la Craft. ...  You can use nail polish to color code keys, as seen on A Bubbly Life. ...  Or use glitter polish to give it some sparkle, a la Ramshackle Glam. ...  Washi tape (like on Cinema & Spice) makes it easy. ...  Scrapbooking paper (like Crème de la Craft) makes it even easier.