What is "tarhu"

The tarhu (also spelled tarhou) is a type of string instrument invented by Australian musician and craftsman Peter Biffin during the 1980s. The tarhu has a long slender neck made of Blackwood, a small round body also made of Blackwood,and four strings about the length of 80 cm It is a flexible instrument that can be played in both plucked and bowed styles derived from both eastern and western cultures.