Sand hammer is a shaking sonata instrument, also known as a sand ball. Rhythmic percussion instruments originating from Native Americans in South America. Sandhammers are usually used in pairs, with each hand holding one and shaking it to make a "rustling" sound during performance. They are suitable for various music styles, especially common in Latin music, and are often used in ensemble with instruments such as bronze drums and soundboards to add rhythm and dynamism to dance and music performances.