1.What are leadtapes??, it improves ur racquet?, adds more weight on? is it legal in the tournaments? 2.Grips, most used grips?, i've used tourna grip, and found a broken babolat pure drive, and had a babolat pro team grip on, so i replaced it, and feels so good, is their any difference, will it reduce my skills or power since i changed my grip? what grip do u use? 3.strings, what are the best string, does it really matter? 4.how do u max out your speed on ground strokes? how do u improve it? i use semi western and i hit with my elbow tucked in, is that right thing to do? TLE MEEE!