Under provides a tidier appearance, in that the loose end can be more hidden from view; reduces the risk of a toddler or a house pet such as a cat unrolling the toilet paper when batting at the roll; and in a recreational vehicle may reduce unrolling during driving.
In this way, what is the correct way to hang toilet roll?
A patent created by the inventor of the toilet roll, Seth Wheeler, granted in 1883, reveals the correct way to hang toilet paper on the holder is over the top.