The mizwad (Arabic: مِزْود; plural مَزاود mazāwid, literally "sack," “bag,” or “food pouch”) is a type of bagpipes

Bagpipes

Bagpipes are a class of musical instrument, aerophones, using enclosed reeds fed from a constant reservoir of air in the form of a bag. Though the Scottish Great Highland Bagpipe and Irish uilleann pipes have the greatest international visibility, bagpipes of many different types come from...

 played in Tunisia. The instrument consists of a skin bag with a joined double-chanter, terminating in two cow horns, similar to a hornpipe

Hornpipe

The term hornpipe refers to any of several dance forms played and danced in Britain and elsewhere from the late 17th century until the present day. It is said that hornpipe as a dance began around the 16th century on English sailing vessels...

.This instrument is played with a single-reed.

The ethnomusicologist Anthony Baines

Anthony Baines

Anthony Cuthbert Baines was an English organologist who produced a wide variety of works on the history of musical instruments, and was a founding member of the Galpin Society.-Partial bibliography:...

 stated that the term "zukra" is also used for this instrument, though bagpipe enthusiast Oliver Seeler states that this connection is incorrect. While the Zukra

Zukra

The zukra is a Libyan bagpipe with a double-chanter terminating in two cow horns; it is similar in construction to the Tunisian mizwad....

may be similar, it is not the same. it is, in fact, a wind instrument in libya which is similar to the mizwad.