You do use clothes that are made for Victoria, right? Poke-thru will occur in some poses, mostly the more extreme ones, but it depends on the clothes. Sometimes the best solution is to make the underlying part invisible (if it's the leg that is sticking thru a pair on jeans, make the leg invisible)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.