What is a racquetball dampener for?

Racquetball was started in the Greenwich YMCA. It was invented by a man named Joe Sobek although he did not name the sport "racquetball". He originally name the game paddle rackets. Joe Sobek started...

Click on the 'Racquetball' link on this page to read the history of the game of racquetball in a way better than any way I could describe it.

no , but table tennis is !

rubber

Unfortunately there is no answer to this question. Most balls have different wall thickness and weight associated with the company making them as well as with the color. For example Penn has a purple...