Roger Federer Q&A - On String Tension and Racquets

Although this video is less than two minutes long.  You can learn a few things about professional tennis players especially as it pertains to stringing.  Watch this and see what Roger has to say about his rackets and strings.  You can see he uses Natural Gut in the Mains, generally has 8-12 rackets at his disposal at any given time and believes in giving to Charities...