Long pips on thick sponge, is possible?

Hello, i'm not a long pips user and not think to use. My question is: is possible a long pips on 1.8, 2.0 and 2.2? The most thick long pips rubber I see for sell is a TSP Curl P1R on 1.5mm, but, when i buy a long pip topsheet and glue on a separate sponge? Many shops sell the sponges. I know then will be better to attack, but this attack come with no effect? Underspin? Topspin? And, most important: long pips with 1.8+ sponge is autorizated by ITTF?
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Well-Known Member
Oct 2016
How it will play I think will depend on how long and hard pimples are, the spacing and the grip of the pimples.