Vinegar

Vinegar is the 15th clue. It is a Madrigal clue and was located in Attleboro, Massachusetts.

History
This clue is hidden inside the tombstone of Hope Cahill. There is a secret lever that, when activated, will eject a bottle of vinegar.

Vinegar
Vinegar is a type of mild acid. It has a strong scent and is commonly used for cleaning and cooking. It has a bitter taste and it is commonly used in fried foods and to clean money.