Not to worry.
They are used for personal hygiene much the say way as are facial tissues such as Kleenex. Oops, I forgot.
Kleenex is a brand name for a light, soft paper product used by some in place of sleeves or arms to clean nasal discharges. Considered preferable in some cultures. Common in middle- and upper-classes, not as well known to some.
Used by some bald men to wipe perspiration from head and forehead, especially if they wear heavy checkered rags.
Arf (coming to understand why Ashcroft spent $8,500 of our money to cover the boobs of justice.)