Three-hole pipe
(重定向自Tabor pipe)

The three-hole pipe, also commonly known as tabor pipe is a wind instrument designed to be played by one hand, leaving the other hand free to play a tabor drum, bell, psalterium or tambourin à cordes, bones, triangle or other percussive instrument.
The three-hole pipe's origins are not known, but it dates back at least to the 11th century.