Sign language

Sign language was a form of communication that utilized manual communication through body motion often in place of sound to convey meaning, often through movements of or shapes made through the hands and arms. In one instance of its use in 21 BBY, Jedi Master Eeth Koth utilized sign language to provide the Jedi Council with his hyperspace coordinates following his capture. In another use in 9 ABY, a Bounty hunter referred to as "The Mandalorian (bounty hunter)" utilized sign language to negotiate with a group of Tusken Raiders.