The answer to the contested question of "should a toilet paper roll face over or under when on the holder?" is answered. The answer is it should face OVER.I'll set the top one to roll TP forward (like the patent shows) and the bottom one to roll the TP in the opposite direction. The patent is from 1891 with the title " Wrapping or toilet paper roll .". The ageold question of whether toilet paper should sit under or over the roll has finally been solved. How? By a 124-year-old patent from 22 December 1891. A toilet paper roll holder vapor-dispensing device configured with an internal material delivery system and high intensity volatizable material. They have their preference but one thing is absolutely certain: it's designed to go away from the roll. Look up the patent illustration. Check out our toilet paper patents selection for the very best in unique or custom, handmade pieces from our toilet paper holders shops.