increase the spin of your racket. i had spoken with people at my table tennis club, and some said rather than buying the special rubber cleaners, i should just wash it with water. i decided that i would put this to the test. i decided to take it a bit more seriously than i intended, and chose to turn it into a school project. i added another 10 (so far) substances to an old racket that had its handle broken off. i spent over 100 hours on the experiment, so i used it for another project, the main for the year. i also entered it in the science competition at 