Well, paired with a bidet, I made my own reusable (for drying only) toilet paper. The US should add the bidet to things they should adopt, but are too fucking hardheaded and won't(ahem, metric system).
Discussion
A bidet is arguably 100× better than the whole metric system... But those prudes associate it with bordellos and wouldn't have anything like that in their homes—or they don't even know bidets exist.