My personal method is to use as few sheets as possible (maybe 4 squares), fold it together and bunch it up sort of like a flower. The crumpling and rippling will provide the surface area you are looking for, plus scrubbing power. read more
Scrunchers must concede that in a combat environment perhaps scrunching is the most efficient use of toilet paper, but argue that it is likely the standard of cleanliness is much higher in everyday life. read more