Al snorted and cast the spell to enlarge his rain hat to its full size, then carefully set it on top of Severus' head and tapped it as it began to spin.
"Neither. It's an umbrella replacement. Though you could wear it when levitating," he declared with an approving grin, "that'd be brilliant!"
The request for recommendations was met with a soft chuckle. "I'd lend you my books, but they didn't survive the fire. It'll be awhile until I restore my collection. As for writing," Al murmured as he tapped the hat once more, sending the propeller spinning so fast it almost lifted off on its own, "quills, especially, feel amazing on bare skin. Both ends of them."