Similar devices planned by Ben Franklin were used in the Delaware River near Philadelphia, in between Fort Mifflin and Fort Mercer.
Grenadiers à Cheval de la Garde Impériale | Guillaume Cheval dit St-Jacques | Ferdinand Cheval | Cheval noir | Cheval de frise | Château Cheval Blanc | An officer of the ''Chasseurs à cheval'' of the Guard by Théodore Géricault |
As part of the barriers erected across the river, the Army constructed a chevaux-de-frise, an array of logs sunk underwater, between Fort Washington on the island of Manhattan, and Fort Lee across the river in New Jersey.