TSP Curl P1-R long pimples table tennis rubber. Long Pimples are frictionless or semi-frictionless rubber top-sheets that are used by expert defensive players. These rubber-sheets, approved by the International Table Tennis Federation for national and international play, are specifically designed to throw back opponent spins and create deception and havoc for your opponent. It does take time to learn how to play with these rubbersheets, but once mastered can help elevate your game. In general, the OX and thinner sponge sheets are easier to control. TSP is the world’s best producer of Long Pimples rubber topsheets and sponge. The Curl Series, which includes P1R (shown here), P2, P3, P3a R, and PH and P4 are best sellers. This Amazon store carries all brands in the Curl. Feel free to shop and compare!