To remove food from between teeth.
To loosen plaque on the sides of teeth.
To substitute for brushing.
In a C shape.
You should not wrap it.
Diagonally, angled towards the back of your tooth.
Eat it all at once.
Eat it slowly over time.
1 to 2 Feet
When you want a different color
When it begins to fray
When you win the lottery