Roger Federer practice backhand smash | Ben Gauger | Flickr
Tennis Psychology for Adult Beginners: How to smash advanced players and win more competitive games, sets and matches more easily. Learn the strategy, mindset, and techniques of professional players by Lawrence Moreno
Amazon.com : Teloon Solo Trainer Rebound Ball, Elastic with 2 String and a Portable Mesh Bag for Self Tennis Practice Training Tool for Adults or Kids Beginners : Sports & Outdoors