I don't know about US rough toilet paper... You may want to talk to some of our buds posting from over in Europe, though. <img src="/images/graemlins/tongue.gif" alt="" />
Perhaps a half of a blue workshop towel roll would work against the breakthrough. Carrying an extra S***t stick with me in the woods does not sound pleasant. Though, with the new toilet bowl cleaning systems out there right now, in a few months they should be really cheap to find...
Rena