As a result, there are many different names for the instrument including the "gas-tank bass", "barrel bass", "box bass" (Trinidad), "bush bass" (Australia), "babatoni" ( South Africa), "tanbou marengwen" (Haiti) " tingotalango" (Cuba), " tulòn" (Italy), "laundrophone" and others. Variations on the basic design are found around the world, particularly in the choice of resonator. In the 1950s, British skiffle bands used a variant called a tea chest bass, and during the 1960s, US folk musicians used the washtub bass in jug band-influenced music. The washtub bass was used in jug bands that were popular in some African American communities in the early 1900s. Although it is possible for a washtub bass to have four or more strings and tuning pegs, traditional washtub basses have a single string whose pitch is adjusted by pushing or pulling on a staff or stick to change the tension. The washtub bass, or gutbucket, is a stringed instrument used in American folk music that uses a metal washtub as a resonator.