So you can floss your teeth with them after you've used them.
Don't use child labor.
The Hodor-eliminating kind.
An old person can sing and brush their teeth at the same time.
Brushing your teeth
Because they keep stepping on the string.
A sheep
Me: "BRO, you were there."
Me: Daily Dentist: *Pulls fully grown centaur from between my 2nd and 3rd molars*
A: Elephants never forget.
No strings attached