Pimple Rubbers are mostly for defensive play but used well can turn into attacking weapons. Long pips have the most awkward spin value confusing your opponent while short pips are in between long pips and inverted rubbers with a high value of control. Long pips takes a lot of skill and mastery so beware when going for these. Short pips are always a safe bet and great for flatter hitters and really improve return of serve balls. Choose OX (no sponge) for deader balls or go for thicker sponge thickness to give you an extra speed boost.